APA引文

Hart, W. L. R. (1964). Plane and spherical trigonometry with applications. National Book Store.

Chicago Style (17th ed.) Citation

Hart, William Le Roy. Plane and Spherical Trigonometry with Applications. Manila: National Book Store, 1964.

MLA引文

Hart, William Le Roy. Plane and Spherical Trigonometry with Applications. National Book Store, 1964.