APA-referens (7:e uppl.)

Sorenson, S. (1998). How to write research papers (2nd.). Thomson Learning.

Chicago-referens (17:e uppl.)

Sorenson, Sharon. How to Write Research Papers. 2nd. Cincinnati: Thomson Learning, 1998.

MLA-referens (9:e uppl.)

Sorenson, Sharon. How to Write Research Papers. 2nd. Thomson Learning, 1998.