APA استشهاد

Hugh, W., & Rorry, S. (2007). Effective Environmental Management: Principles and case Studies. Allen & Unwin.

استشهاد بنمط شيكاغو

Hugh, Wyndham, و Sullivan Rorry. Effective Environmental Management: Principles and Case Studies. Australia: Allen & Unwin, 2007.

MLA استشهاد

Hugh, Wyndham, و Sullivan Rorry. Effective Environmental Management: Principles and Case Studies. Allen & Unwin, 2007.