APA引文

Harjinder singh. (1987). Agricultural problems in Ethiopia. Gian publishing house.

Chicago Edition Citation

Harjinder singh. Agricultural Problems in Ethiopia. India: Gian publishing house, 1987.

MLA引文

Harjinder singh. Agricultural Problems in Ethiopia. Gian publishing house, 1987.

警告：這些引文格式不一定是100％准確.