Cita APA (7th ed.)

JOHNSON RON. (1999). PERFECT BUSINESS PLAN. CENTURY.

Cita Chicago (17th ed.)

JOHNSON RON. PERFECT BUSINESS PLAN. LONDON: CENTURY, 1999.

Cita MLA (9th ed.)

JOHNSON RON. PERFECT BUSINESS PLAN. CENTURY, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.