Cita APA (7th ed.)

CLELAND DAVID I. (1984). SYSTEMS ANALYSIS & PROJECT MANAGEMENT (3RD.). MCGRAW-HILL.

Cita Chicago (17th ed.)

CLELAND DAVID I. SYSTEMS ANALYSIS & PROJECT MANAGEMENT. 3RD. LONDON: MCGRAW-HILL, 1984.

Cita MLA (9th ed.)

CLELAND DAVID I. SYSTEMS ANALYSIS & PROJECT MANAGEMENT. 3RD. MCGRAW-HILL, 1984.