Dyfyniad APA

Gerlach, V. S. (1971). Teaching and media: A systematic approach. Prentice-Hall.

Dyfyniad Arddull Chicago

Gerlach, Vernon S. Teaching and Media: A Systematic Approach. Englewood Cliffs: Prentice-Hall, 1971.

Dyfyniad MLA

Gerlach, Vernon S. Teaching and Media: A Systematic Approach. Prentice-Hall, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.