Dyfyniad APA

Meinel, A. B. (1983). Sunsets, twilights and evening skies. Cambridge University Press.

Dyfyniad Arddull Chicago

Meinel, Aden B. Sunsets, Twilights and Evening Skies. London: Cambridge University Press, 1983.

Dyfyniad MLA

Meinel, Aden B. Sunsets, Twilights and Evening Skies. Cambridge University Press, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.