Cita APA (7a ed.)

Ardales, V. B. (1992). Basic concepts and methods in research. Great Books Trading.

Cita Chicago Style (17a ed.)

Ardales, Venancio B. Basic Concepts and Methods in Research. Quezon City: Great Books Trading, 1992.

Cita MLA (9a ed.)

Ardales, Venancio B. Basic Concepts and Methods in Research. Great Books Trading, 1992.