Cita APA (7th ed.)

Villafuerte, N. F. (1981). Understanding export procedure and documentation. Media Systems.

Cita Chicago (17th ed.)

Villafuerte, Nelly F. Understanding Export Procedure and Documentation. Makati, Metro Manila: Media Systems, 1981.

Cita MLA (9th ed.)

Villafuerte, Nelly F. Understanding Export Procedure and Documentation. Media Systems, 1981.