APA

Graendorf W. C., . (1984). Enriching your teaching of the E.T.T.A. course - Vacation Bible school: a current approach to a proven program: a guide of practical helps for those teaching the course to teachers and leaders in the church educational program. Wheaton, Ill: Evangelical Teacher Training Association.

Chicago

Graendorf Werner C, . 1984. Enriching your teaching of the E.T.T.A. course - Vacation Bible school: a current approach to a proven program: a guide of practical helps for those teaching the course to teachers and leaders in the church educational program. Wheaton, Ill: Evangelical Teacher Training Association.

Harvard

Graendorf W. C., . (1984). Enriching your teaching of the E.T.T.A. course - Vacation Bible school: a current approach to a proven program: a guide of practical helps for those teaching the course to teachers and leaders in the church educational program. Wheaton, Ill: Evangelical Teacher Training Association.

MLA

Graendorf Werner C, . Enriching your teaching of the E.T.T.A. course - Vacation Bible school: a current approach to a proven program: a guide of practical helps for those teaching the course to teachers and leaders in the church educational program. Wheaton, Ill: Evangelical Teacher Training Association. 1984.