Trích dẫn APA

Porwal, M. (1997). Remote sensing analysis of environmental resources for planning and development. APH publishing corporation.

Trích dẫn kiểu Chicago

Porwal, M.C. Remote Sensing Analysis of Environmental Resources for Planning and Development. New Delhi: APH publishing corporation, 1997.

Trích dẫn MLA

Porwal, M.C. Remote Sensing Analysis of Environmental Resources for Planning and Development. APH publishing corporation, 1997.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.