Παραπομπή APA
Beckman, T. N. 1., & Foster, R. S. (1969). Credits and collections: Management and theory (8th ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleBeckman, Theodore N. 1895-1973., and Ronald S. Foster. Credits and Collections: Management and Theory. 8th ed. New York: McGraw-Hill, 1969.
Παραπομπή MLABeckman, Theodore N. 1895-1973., and Ronald S. Foster. Credits and Collections: Management and Theory. 8th ed. New York: McGraw-Hill, 1969.
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