Citazione Stile APA (7a Edizione)

Torres, J. R. F. (2007). Astronomy: An introduction for Filipinos. Rizal Technological University.

Citazione stile Chigago Style (17a edizione)

Torres, Jesus Rodrigo F. Astronomy: An Introduction for Filipinos. Mandaluyong City: Rizal Technological University, 2007.

Citatione MLA (9a ed.)

Torres, Jesus Rodrigo F. Astronomy: An Introduction for Filipinos. Rizal Technological University, 2007.