Cita APA (7th ed.)

FENTON JOHN. (1979). A-Z OF SALES MANAGEMENT. HEINEMANN.

Cita Chicago (17th ed.)

FENTON JOHN. A-Z OF SALES MANAGEMENT. LONDON: HEINEMANN, 1979.

Cita MLA (9th ed.)

FENTON JOHN. A-Z OF SALES MANAGEMENT. HEINEMANN, 1979.