Cita APA (7th ed.)

Sorenson, S. (1999). The research paper: A contemporary approach. Amsco School Publications.

Cita Chicago (17th ed.)

Sorenson, Sharon. The Research Paper: A Contemporary Approach. New York: Amsco School Publications, 1999.

Cita MLA (8th ed.)

Sorenson, Sharon. The Research Paper: A Contemporary Approach. Amsco School Publications, 1999.