Παραπομπή APA

Ballaney, P. L. (1978). Thermal engineering (9th ed.). Khanna Publishers.

Παραπομπή Chicago Style

Ballaney, P L. Thermal Engineering. 9th ed. Delhi: Khanna Publishers, 1978.

Παραπομπή MLA

Ballaney, P L. Thermal Engineering. 9th ed. Khanna Publishers, 1978.