Penggayaan APA

CHAPMAN, Robert De Witt. (1978). Discovering astronomy . San Francisco: W.H. Freeman.

Chicago Style

CHAPMAN, Robert De Witt. Discovering astronomy. San Francisco: W.H. Freeman, 1978. Buku.

MLA Style

CHAPMAN, Robert De Witt. Discovering astronomy. San Francisco: W.H. Freeman, 1978. Buku.

Turabian Style

CHAPMAN, Robert De Witt. Discovering astronomy. San Francisco: W.H. Freeman, 1978. Buku.