APA aipamena

Wasserman, P., Georgi, C., & Way, J. (1980). Encyclopeadia of business information sources (4th ed.). Gale Research Company.

Chicago Style aipamena

Wasserman, Paul, Charles Georgi, and James Way. Encyclopeadia of Business Information Sources. 4th ed. Detroit: Gale Research Company, 1980.

MLA aipamena

Wasserman, Paul, et al. Encyclopeadia of Business Information Sources. 4th ed. Gale Research Company, 1980.