APA (7th ed.) Citation

Sibal, s. :. J. V., & Garcia, O. Y. (1992). Political map 90's: Jorge V. Sibal, Oliver Y. Garcia. TNM Cooperative Library/Research Pub.

Chicago Style (17th ed.) Citation

Sibal, s : Jorge V., and Oliver Y. Garcia. Political Map 90's: Jorge V. Sibal, Oliver Y. Garcia. Quezon City: TNM Cooperative Library/Research Pub, 1992.

MLA (9th ed.) Citation

Sibal, s : Jorge V., and Oliver Y. Garcia. Political Map 90's: Jorge V. Sibal, Oliver Y. Garcia. TNM Cooperative Library/Research Pub, 1992.