Cita APA (7a ed.)

Díaz Sánchez, M. E., & Márquez Pérez, A. (2001). A manual for writing research papers with a guide to using Internet sources. Plaza Universitaria.

Cita Chicago Style (17a ed.)

Díaz Sánchez, María Eugenia, y Aida Márquez Pérez. A Manual for Writing Research Papers with a Guide to Using Internet Sources. Salamanca: Plaza Universitaria, 2001.

Cita MLA (9a ed.)

Díaz Sánchez, María Eugenia, y Aida Márquez Pérez. A Manual for Writing Research Papers with a Guide to Using Internet Sources. Plaza Universitaria, 2001.