Norton, A. P., Kitchin, C. R., Satterthwaite, G. E., Moore, P., & Inglis, R. M. G. (1973). Norton's star atlas and reference handbook (epoch 1950.0) (16th ed.). Gall & Inglis.
Chicago Style aipamenaNorton, Arthur P., C. R. Kitchin, Gilbert E. Satterthwaite, Patrick Moore, and R. M. G. Inglis. Norton's Star Atlas and Reference Handbook (epoch 1950.0). 16th ed. Edinburgh: Gall & Inglis, 1973.
MLA aipamenaNorton, Arthur P., et al. Norton's Star Atlas and Reference Handbook (epoch 1950.0). 16th ed. Gall & Inglis, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.