Παραπομπή σε μορφή APA (7η εκδ.)

Nasr, G., & Connor, N. (2014). Natural Gas Engineering and Safety Challenges: Downstream Process, Analysis, Utilization and Safety. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nasr, G.G, και N.E Connor. Natural Gas Engineering and Safety Challenges: Downstream Process, Analysis, Utilization and Safety. Cham: Springer International Publishing : Imprint: Springer, 2014.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nasr, G.G, και N.E Connor. Natural Gas Engineering and Safety Challenges: Downstream Process, Analysis, Utilization and Safety. Springer International Publishing : Imprint: Springer, 2014.