APA
American Management Association, . (1986). Directory of Consultant Members 1968. New York: .
Chicago
American Management Association, . 1986. Directory of Consultant Members 1968. New York: .
Harvard
American Management Association, . (1986). Directory of Consultant Members 1968. New York: .
MLA
American Management Association, . Directory of Consultant Members 1968. New York: . 1986.
