Berger, J. L. (1994). Educators guide to free videotapes (41st ed.). Educators Progress Service.
Chicagoスタイル(17版)引用形式Berger, James L. Educators Guide to Free Videotapes. 41st ed. Randolph Wis: Educators Progress Service, 1994.
MLA(9版)引用形式Berger, James L. Educators Guide to Free Videotapes. 41st ed. Educators Progress Service, 1994.
警告: この引用は必ずしも正確ではありません.