BETTGER FRANK. (1982). HOW I RAISED MYSELF FROM FAILURE TO SUCCESS IN SELLING. SIMON & SCHUSTER INC.
Chicagoスタイル(17版)引用形式BETTGER FRANK. HOW I RAISED MYSELF FROM FAILURE TO SUCCESS IN SELLING. NEW YORK: SIMON & SCHUSTER INC, 1982.
MLA(9版)引用形式BETTGER FRANK. HOW I RAISED MYSELF FROM FAILURE TO SUCCESS IN SELLING. SIMON & SCHUSTER INC, 1982.
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