APA-ийн эшлэл(7 дахь хэвлэлт)

ProQuest (Firm) & Navarro, G. L. (2011). Marcellus Shale and shale gas: Facts and considerations. Nova Science Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ProQuest (Firm) ба Gabriel L. Navarro. Marcellus Shale and Shale Gas: Facts and Considerations. Hauppauge, N.Y.: Nova Science Publishers, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ProQuest (Firm) ба Gabriel L. Navarro. Marcellus Shale and Shale Gas: Facts and Considerations. Nova Science Publishers, 2011.