APA
Weinberg G. M., . (1985). Secrets of consulting. New York: Dorset House Publishing.
Chicago
Weinberg Gerald M, . 1985. Secrets of consulting. New York: Dorset House Publishing.
Harvard
Weinberg G. M., . (1985). Secrets of consulting. New York: Dorset House Publishing.
MLA
Weinberg Gerald M, . Secrets of consulting. New York: Dorset House Publishing. 1985.