APA (7th ed.) Citation

Casumbal, C., Hernandez,Rodelia, Limketkai, J., Pacleb, T., & Rangel, M. L. Philippine Tourism Authority.

Chicago Style (17th ed.) Citation

Casumbal, Celerina, Hernandez,Rodelia, Jennifer Limketkai, Theodore Pacleb, and Ma. Lynn Rangel. Philippine Tourism Authority. 1985.

MLA (9th ed.) Citation

Casumbal, Celerina, et al. Philippine Tourism Authority.