APA引文

Velde, E. J. V. (1989). Irrigation management in Pakistan mountain environment. Lahore, Pakistan: International irrigation Management Institute.

Trích dẫn kiểu Chicago

Velde, Edward J. Vander. Irrigation Management in Pakistan Mountain Environment. Lahore, Pakistan: International irrigation Management Institute, 1989.

MLA引文

Velde, Edward J. Vander. Irrigation Management in Pakistan Mountain Environment. Lahore, Pakistan: International irrigation Management Institute, 1989.

警告：这些引文格式不一定是100％准确.