APA-ийн эшлэл(7 дахь хэвлэлт)

Wellinger, A., Murphy, J., & Baxter, D. (2013). The biogas handbook: Science, production and applications. Woodhead Publishing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Wellinger, A., Jerry Murphy, ба David Baxter. The Biogas Handbook: Science, Production and Applications. Oxford: Woodhead Publishing, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Wellinger, A., et al. The Biogas Handbook: Science, Production and Applications. Woodhead Publishing, 2013.