APA-referens (7:e uppl.)

K, B. D. (2003). Rresearch mthodology (1st edition.). Excel book.

Chicago-referens (17:e uppl.)

K, Bhattacharyya D. Rresearch Mthodology. 1st edition. New Delhi: Excel book, 2003.

MLA-referens (9:e uppl.)

K, Bhattacharyya D. Rresearch Mthodology. 1st edition. Excel book, 2003.