Cita APA (7th ed.)

Manlapaz, E. Z. (2005). The new Anvil guide to research paper writing. Anvil Publishig, Inc.

Cita Chicago (17th ed.)

Manlapaz, Edna Zapanta. The New Anvil Guide to Research Paper Writing. Philippines: Anvil Publishig, Inc, 2005.

Cita MLA (9th ed.)

Manlapaz, Edna Zapanta. The New Anvil Guide to Research Paper Writing. Anvil Publishig, Inc, 2005.