APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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