APA (7e ed.) Bronvermelding

GUPTA D R. (1982). PURCHASING AND STORE-KEEPING. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago (17e ed.) Bronvermelding

GUPTA D R. PURCHASING AND STORE-KEEPING. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1982.

MLA (9e ed.) Bronvermelding

GUPTA D R. PURCHASING AND STORE-KEEPING. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1982.