APA aipamena

Culver, R. B., & Roberts, S. (1997). Laboratory exercises in introductory astronomy. Forth Worth, TX: Harcourt Brace.

Chicago Style aipamena

Culver, Roger B., và Sean Roberts. Laboratory Exercises in Introductory Astronomy. Forth Worth, TX: Harcourt Brace, 1997.

MLA aipamena

Culver, Roger B., và Sean Roberts. Laboratory Exercises in Introductory Astronomy. Forth Worth, TX: Harcourt Brace, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.