Gaya APA
Beiser, Arthur. (1970).
The earth / Arthur Beiser .
:
New York: Time-Life Books.
Gaya Chicago
Beiser, Arthur.
The earth / Arthur Beiser.
:
New York: Time-Life Books,
1970.
Buku.
Gaya MLA
Beiser, Arthur.
The earth / Arthur Beiser.
:
New York: Time-Life Books,
1970.
Buku.
Gaya Turabian
Beiser, Arthur.
The earth / Arthur Beiser.
:
New York: Time-Life Books,
1970.
Buku.