Cita APA (7th ed.)

BENTLEY TREVOR J. (1980). PRACTICAL COST REDUCTION. MCGRAW-HILL.

Cita Chicago (17th ed.)

BENTLEY TREVOR J. PRACTICAL COST REDUCTION. NEW DELHI: MCGRAW-HILL, 1980.

Cita MLA (9th ed.)

BENTLEY TREVOR J. PRACTICAL COST REDUCTION. MCGRAW-HILL, 1980.