APA (7 ম সংস্করণ) উদ্ধৃতি

North Klaus. (1997). Environmental business management: An Introduction (2nd (revised).). International Labour Office.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

North Klaus. Environmental Business Management: An Introduction. 2nd (revised). Geneva: International Labour Office, 1997.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

North Klaus. Environmental Business Management: An Introduction. 2nd (revised). International Labour Office, 1997.