APA (7e ed.) Bronvermelding

SAMUELSON PAUL A. (1998). ECONOMICS 16 THE ED (16TH ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago (17e ed.) Bronvermelding

SAMUELSON PAUL A. ECONOMICS 16 THE ED. 16TH ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1998.

MLA (9e ed.) Bronvermelding

SAMUELSON PAUL A. ECONOMICS 16 THE ED. 16TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1998.