APA (7e ed.) Bronvermelding

SACHDEVA S K. (1990). COMPETETION SUCCESS REVIEW YEAR BOOK 1990. COMPETITION REVIEW PVT. LTD.

Chicago (17e ed.) Bronvermelding

SACHDEVA S K. COMPETETION SUCCESS REVIEW YEAR BOOK 1990. NEW AVON: COMPETITION REVIEW PVT. LTD, 1990.

MLA (9e ed.) Bronvermelding

SACHDEVA S K. COMPETETION SUCCESS REVIEW YEAR BOOK 1990. COMPETITION REVIEW PVT. LTD, 1990.