Gaya APA
NAUHEIM, F. (1979).
SALESMAN'S COMPLETE MODEL LETTER HANDBOOK .
India:
D. B. TARAPOREVALA SONS & CO. PRIVATE LTD..
Gaya MLA
NAUHEIM, Ferd..
"SALESMAN'S COMPLETE MODEL LETTER HANDBOOK".
India:
D. B. TARAPOREVALA SONS & CO. PRIVATE LTD.,
1979.
Textbook.