Aspley, J. (1967). Sales: A guide to selling in the modern market. Taraporevala.
Čikaški stil citiranjaAspley, J.C. Sales: A Guide to Selling in the Modern Market. Bombay: Taraporevala, 1967.
MLA način citiranjaAspley, J.C. Sales: A Guide to Selling in the Modern Market. Taraporevala, 1967.
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