Kagan, A. (1987). Trova (2nd ed.). Trova Foundation.
Chicagoスタイル(17版)引用形式Kagan, Andrew. Trova. 2nd ed. St. Louis, Mo: Trova Foundation, 1987.
MLA(9版)引用形式Kagan, Andrew. Trova. 2nd ed. Trova Foundation, 1987.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式