APA aipamena

Panneerselvam R. (2020). Engineering Economy (02nd.). PHI Learning.

Chicago Style aipamena

Panneerselvam R. Engineering Economy. 02nd. New Delhi: PHI Learning, 2020.

MLA aipamena

Panneerselvam R. Engineering Economy. 02nd. PHI Learning, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.