APA (7 ম সংস্করণ) উদ্ধৃতি

Speight, J. G. (2009). Enhanced recovery methods for heavy oil and tar sands. Gulf Pub. Co..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Speight, James G. Enhanced Recovery Methods for Heavy Oil and Tar Sands. Houston, TX: Gulf Pub. Co., 2009.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Speight, James G. Enhanced Recovery Methods for Heavy Oil and Tar Sands. Gulf Pub. Co., 2009.