Cita APA (7th ed.)

Greenwood, N. A., & Howard, J. R. (2011). First contact: Teaching and learning in introductory sociology. Rowman & Littlefield Publishers.

Cita Chicago (17th ed.)

Greenwood, Nancy A., i Jay R. Howard. First Contact: Teaching and Learning in Introductory Sociology. Lanham: Rowman & Littlefield Publishers, 2011.

Cita MLA (9th ed.)

Greenwood, Nancy A., i Jay R. Howard. First Contact: Teaching and Learning in Introductory Sociology. Rowman & Littlefield Publishers, 2011.