APA-viite (7. p.)

Gregorio, H. C. (1983). Principles and practices of college teaching (Rev. ed.). R.P. Garcia Pub.

Chicago-viite (17. p.)

Gregorio, Herman Cruz. Principles and Practices of College Teaching. Rev. ed. Quezon City: R.P. Garcia Pub, 1983.

MLA-viite (9. p.)

Gregorio, Herman Cruz. Principles and Practices of College Teaching. Rev. ed. R.P. Garcia Pub, 1983.