APA

Schaefer R. T., Lamm R. P., . (1987). INTRODUCING SOCIOLOGY :A COLLECTION OF READINGS. New York: McGRAW-Hill Book COMPANY.

Chicago

Schaefer Richard T, Lamm Robert P, . 1987. INTRODUCING SOCIOLOGY :A COLLECTION OF READINGS. New York: McGRAW-Hill Book COMPANY.

Harvard

Schaefer R. T., Lamm R. P., . (1987). INTRODUCING SOCIOLOGY :A COLLECTION OF READINGS. New York: McGRAW-Hill Book COMPANY.

MLA

Schaefer Richard T, Lamm Robert P, . INTRODUCING SOCIOLOGY :A COLLECTION OF READINGS. New York: McGRAW-Hill Book COMPANY. 1987.