APA-viite (7. p.)

De Leon, S. Y. (1980). Guide to research and scientific reporting (Rev. and enlarged ed.). Merriam School and Office Supplies.

Chicago-viite (17. p.)

De Leon, Sonia Y. Guide to Research and Scientific Reporting. Rev. and enlarged ed. Manila: Merriam School and Office Supplies, 1980.

MLA-viite (9. p.)

De Leon, Sonia Y. Guide to Research and Scientific Reporting. Rev. and enlarged ed. Merriam School and Office Supplies, 1980.