Cita APA (7th ed.)

Narayan, B. (1999). Project planning. A.P.H.Publication Corporation.

Cita Chicago (17th ed.)

Narayan, B. Project Planning. New Delhi: A.P.H.Publication Corporation, 1999.

Cita MLA (8th ed.)

Narayan, B. Project Planning. A.P.H.Publication Corporation, 1999.