Cita APA (7th ed.)

KROLL STANLEY. (1974). PROFESSIONAL COMMODITY TRADER. TRADERS PRESS.

Cita Chicago (17th ed.)

KROLL STANLEY. PROFESSIONAL COMMODITY TRADER. GREENVILLE: TRADERS PRESS, 1974.

Cita MLA (9th ed.)

KROLL STANLEY. PROFESSIONAL COMMODITY TRADER. TRADERS PRESS, 1974.