APA-ийн эшлэл(7 дахь хэвлэлт)

Borup, M. B., & Middlebrooks, E. J. (1987). Pollution control in the petrochemicals industry. Lewis Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Borup, M. Brett, ба E. Joe Middlebrooks. Pollution Control in the Petrochemicals Industry. Chelsea, Mich: Lewis Publishers, 1987.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Borup, M. Brett, ба E. Joe Middlebrooks. Pollution Control in the Petrochemicals Industry. Lewis Publishers, 1987.