APA (7. basım) Alıntı

Hortillo, J. N. M. An assessment of the Philippine 1990 energy crisis.

Chicago Style (17. basım) Atıf

Hortillo, Jose Neil M. An Assessment of the Philippine 1990 Energy Crisis.

MLA (9th ed.) Atıf

Hortillo, Jose Neil M. An Assessment of the Philippine 1990 Energy Crisis.