APA (7th ed.) Citation

Bulaong, J. C. (2002). Perspective sketch: Efficient drawing techniques. National Book Store.

Chicago Style (17th ed.) Citation

Bulaong, Joselito C. Perspective Sketch: Efficient Drawing Techniques. Mandaluyong City: National Book Store, 2002.

MLA (9th ed.) Citation

Bulaong, Joselito C. Perspective Sketch: Efficient Drawing Techniques. National Book Store, 2002.