Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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