APA引文

Gualberto, C. D., & Manuel, L. R. The economic cost of lahar in Pampanga (1991-1997).

Chicago Style (17th ed.) Citation

Gualberto, Celeste D., and Lourdes R. Manuel. The Economic Cost of Lahar in Pampanga (1991-1997).

MLA引文

Gualberto, Celeste D., and Lourdes R. Manuel. The Economic Cost of Lahar in Pampanga (1991-1997).

警告：這些引文格式不一定是100％准確.