Citazione Stile APA (7a Edizione)

Gregorio, H. C. (1983). Principles and practices of college teaching (Revised edition.). R.P. Garcia Publishing.

Citazione stile Chigago Style (17a edizione)

Gregorio, Herman Cruz. Principles and Practices of College Teaching. Revised edition. Quezon City: R.P. Garcia Publishing, 1983.

Citatione MLA (9a ed.)

Gregorio, Herman Cruz. Principles and Practices of College Teaching. Revised edition. R.P. Garcia Publishing, 1983.