WACHS WILLIAMS. (1981). HOW SALES MANAGERS GET THINGS DONE. TARAPOREVALA PUBLICATIONS.
Chicagoスタイル(17版)引用形式WACHS WILLIAMS. HOW SALES MANAGERS GET THINGS DONE. BOMBAY: TARAPOREVALA PUBLICATIONS, 1981.
MLA(9版)引用形式WACHS WILLIAMS. HOW SALES MANAGERS GET THINGS DONE. TARAPOREVALA PUBLICATIONS, 1981.
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