Dyfyniad APA

Zweifel, P., & Praktiknjo , A. (2017). Energy Economics: Theory and Applications. Springer.

Dyfyniad Arddull Chicago

Zweifel, Peter, và Aaron Praktiknjo. Energy Economics: Theory and Applications. Springer, 2017.

Dyfyniad MLA

Zweifel, Peter, và Aaron Praktiknjo. Energy Economics: Theory and Applications. Springer, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.