APA (7e ed.) Bronvermelding

METTLE, K. (1994). PRODUCTS MARKETS CHALANGES AND OPPORTUNITIES. PLAST INDIA.

Chicago (17e ed.) Bronvermelding

METTLE, KAMAL. PRODUCTS MARKETS CHALANGES AND OPPORTUNITIES. NEW DELHI: PLAST INDIA, 1994.

MLA (9e ed.) Bronvermelding

METTLE, KAMAL. PRODUCTS MARKETS CHALANGES AND OPPORTUNITIES. PLAST INDIA, 1994.