Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Kar, S. K., & Gupta, A. (2017). Natural Gas Markets in India: Opportunities and Challenges. Springer Singapore : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Sanjay Kumar Kar, και Ayush Gupta. Natural Gas Markets in India: Opportunities and Challenges. Singapore: Springer Singapore : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Natural Gas Markets in India: Opportunities and Challenges. Springer Singapore : Imprint: Springer, 2017.