APA (7th ed.) Citation

Cardenas, E. J., & Francisco, F. Y. (1992). Technical drafting 1. National Book Store.

Chicago Style (17th ed.) Citation

Cardenas, Elpidio J., and Felizardo Y. Francisco. Technical Drafting 1. Mandaluyong City: National Book Store, 1992.

MLA (9th ed.) Citation

Cardenas, Elpidio J., and Felizardo Y. Francisco. Technical Drafting 1. National Book Store, 1992.