Sampa, E. M. (2012). Steps in college research writing: Essentials of training oriented research (TOR). Books Atbp. Publishing.
Цитирование в стиле Чикаго (17-е изд.)Sampa, Elias M. Steps in College Research Writing: Essentials of Training Oriented Research (TOR). Mandaluyong City: Books Atbp. Publishing, 2012.
Цитирование MLA (9-е изд.)Sampa, Elias M. Steps in College Research Writing: Essentials of Training Oriented Research (TOR). Books Atbp. Publishing, 2012.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.