APA引文

Dua, R. (1970). A textbook of advanced eco. theory. Loyal Bk. Depot.

芝加哥风格引文

Dua, R. A Textbook of Advanced Eco. Theory. Meerut: Loyal Bk. Depot, 1970.

MLA引文

Dua, R. A Textbook of Advanced Eco. Theory. Loyal Bk. Depot, 1970.