Παραπομπή APA

Harish Kuamar. (2002). Encyclopaedia of energy resources and their management. Ivy.

Παραπομπή Chicago Style

Harish Kuamar. Encyclopaedia of Energy Resources and Their Management. Delhi: Ivy, 2002.

Παραπομπή MLA

Harish Kuamar. Encyclopaedia of Energy Resources and Their Management. Ivy, 2002.