Meinel, A. B. (1983). Sunsets, twilights and evening skies. Cambridge University Press.
Chicago Style aipamenaMeinel, Aden B. Sunsets, Twilights and Evening Skies. London: Cambridge University Press, 1983.
MLA aipamenaMeinel, Aden B. Sunsets, Twilights and Evening Skies. Cambridge University Press, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.