BUSKIRK, Richard H. - BUSKIRK, Bruce D. Selling : principles and practices. 13. ed. New York : MacGraw-Hill, Inc., 1992. 551 s. ISBN 0-07-009356-3. [Copy count : 1, currently available 1, at library only 0]
BUSKIRK, Richard H. - BUSKIRK, Bruce D. Retailing. 1. ed. New York : MacGraw-Hill Book Co., 1979. 559 s. MacGraw-Hill Series in Marketing. ISBN 0-07-009318-0. [Copy count : 1, currently available 1, at library only 0]