APA引文

Albrecht,Hartmut. (1989). Agricultural extension. Wiley-Eastern.

Chicago Edition Citation

Albrecht,Hartmut. Agricultural Extension. New Delhi: Wiley-Eastern, 1989.

MLA引文

Albrecht,Hartmut. Agricultural Extension. Wiley-Eastern, 1989.

警告：這些引文格式不一定是100％准確.