Cita APA (7th ed.)

Foster, L., & Foster, W. . . D. (2000). C by Discovery (3rd ed.). Scott/Jones.

Cita Chicago (17th ed.)

Foster, L.S, i W D. Foster. C by Discovery. 3rd ed. El Granada, CA: Scott/Jones, 2000.

Cita MLA (9th ed.)

Foster, L.S, i W D. Foster. C by Discovery. 3rd ed. Scott/Jones, 2000.