APA引文

Graaf, G. J. d. (1983). Aquaculture activities in the southern provinces of Vietnam. Netherlands.

Trích dẫn kiểu Chicago

Graaf, G. J. de. Aquaculture Activities in the Southern Provinces of Vietnam. Netherlands, 1983.

MLA引文

Graaf, G. J. de. Aquaculture Activities in the Southern Provinces of Vietnam. Netherlands, 1983.

警告：这些引文格式不一定是100％准确.