APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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