APA-ийн эшлэл(7 дахь хэвлэлт)

De Haan, H. (1995). New developments improved oil recovery. The Geological Society.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

De Haan, H.J. New Developments Improved Oil Recovery. London: The Geological Society, 1995.

MLA -ийн эшлэл (9 дэх хэвлэлт)

De Haan, H.J. New Developments Improved Oil Recovery. The Geological Society, 1995.