Sampa, E. M. (2012). Steps in college research writing: Essentials of training oriented research (TOR). Books Atbp. Publishing.
Chicago-referens (17:e uppl.)Sampa, Elias M. Steps in College Research Writing: Essentials of Training Oriented Research (TOR). Mandaluyong City: Books Atbp. Publishing, 2012.
MLA-referens (9:e uppl.)Sampa, Elias M. Steps in College Research Writing: Essentials of Training Oriented Research (TOR). Books Atbp. Publishing, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.