Sampa, E. M. (2012). Steps in college research writing: Essentials of training oriented research (TOR). Books Atbp. Publishing.
Chicago Style aipamenaSampa, Elias M. Steps in College Research Writing: Essentials of Training Oriented Research (TOR). Mandaluyong City: Books Atbp. Publishing, 2012.
MLA aipamenaSampa, Elias M. Steps in College Research Writing: Essentials of Training Oriented Research (TOR). Books Atbp. Publishing, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.