Cita APA (7th ed.)

Shortley, G., & Williams, D. (1967). Principles of college physics (2nd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Shortley, George, i Dudley Williams. Principles of College Physics. 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, 1967.

Cita MLA (9th ed.)

Shortley, George, i Dudley Williams. Principles of College Physics. 2nd ed. Prentice-Hall, 1967.