APA ציטוט

Viray, F. L., & Del Mundo, R. D. (1989). Impact of power interruptions on national economy. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Viray, Francisco L., and Rowaldo D. Del Mundo. "Impact of Power Interruptions on National Economy." Philippine Engineering Journal 1989.

ציטוט MLA

Viray, Francisco L., and Rowaldo D. Del Mundo. "Impact of Power Interruptions on National Economy." Philippine Engineering Journal, 1989.