Cita APA (7th ed.)

Andrews, R. (2003). Research questions. Continuum.

Cita Chicago (17th ed.)

Andrews, Richard. Research Questions. London ; New York: Continuum, 2003.

Cita MLA (8th ed.)

Andrews, Richard. Research Questions. Continuum, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.