APA引文

Gupta, R. k. (1993). Multipurpose trees for agroforestry and wasteland utilisation. Oxford & IBH publishing co. pvt. ltd.

Chicago Edition Citation

Gupta, R k. Multipurpose Trees for Agroforestry and Wasteland Utilisation. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1993.

MLA引文

Gupta, R k. Multipurpose Trees for Agroforestry and Wasteland Utilisation. Oxford & IBH publishing co. pvt. ltd, 1993.

警告：這些引文格式不一定是100％准確.