Cita APA (7th ed.)

Bouma, G. D. (2004). The research process (5th ed.). Oxford University Press.

Cita Chicago (17th ed.)

Bouma, Gary D. The Research Process. 5th ed. Melbourne ; New York: Oxford University Press, 2004.

Cita MLA (9th ed.)

Bouma, Gary D. The Research Process. 5th ed. Oxford University Press, 2004.