APA (7th ed.) Citation

Yamao, Y., Gutierrez, M. S., Macam, V. R. J., Pagbilao, D. S., & Lejano, B. A. (1986). A survey of properties of concrete aggregates from different sources near metro manila. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Yamao, Yoshihide, Marte SM Gutierrez, Victor R. Jr Macam, Dominador S. Pagbilao, and Bernardo A. Lejano. "A Survey of Properties of Concrete Aggregates from Different Sources Near Metro Manila." Philippine Engineering Journal 1986.

MLA (9th ed.) Citation

Yamao, Yoshihide, et al. "A Survey of Properties of Concrete Aggregates from Different Sources Near Metro Manila." Philippine Engineering Journal, 1986.