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.