APA (7 ম সংস্করণ) উদ্ধৃতি

BUSINESS PRESS. (1993). CHEMICAL PRODUCTS & EQUIPMENT DIRECTORY OF INDIA. BUSINESS PRESS.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

BUSINESS PRESS. CHEMICAL PRODUCTS & EQUIPMENT DIRECTORY OF INDIA. NEW DELHI: BUSINESS PRESS, 1993.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

BUSINESS PRESS. CHEMICAL PRODUCTS & EQUIPMENT DIRECTORY OF INDIA. BUSINESS PRESS, 1993.