VIEIRA WALTER. (1985). SALES MANAGERS. INDIA BOOK HOUSE.
Cita Chicago (17th ed.)VIEIRA WALTER. SALES MANAGERS. BOMBAY: INDIA BOOK HOUSE, 1985.
Cita MLA (9th ed.)VIEIRA WALTER. SALES MANAGERS. INDIA BOOK HOUSE, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.