Gerlach, V. S. (1971). Teaching and media: A systematic approach. Prentice-Hall.
Chicagoスタイル(17版)引用形式Gerlach, Vernon S. Teaching and Media: A Systematic Approach. Englewood Cliffs: Prentice-Hall, 1971.
MLA(9版)引用形式Gerlach, Vernon S. Teaching and Media: A Systematic Approach. Prentice-Hall, 1971.
警告: この引用は必ずしも正確ではありません.