Penggayaan APA
ROBERTS, Willard Lincoln, RAPP, George Robert, WEBER, Julius. (1974).
Encyclopedia of minerals .
New York:
Van Nostrand.
Chicago Style
ROBERTS, Willard Lincoln, RAPP, George Robert, WEBER, Julius.
Encyclopedia of minerals.
New York:
Van Nostrand,
1974.
Buku.
MLA Style
ROBERTS, Willard Lincoln, RAPP, George Robert, WEBER, Julius.
Encyclopedia of minerals.
New York:
Van Nostrand,
1974.
Buku.
Turabian Style
ROBERTS, Willard Lincoln, RAPP, George Robert, WEBER, Julius.
Encyclopedia of minerals.
New York:
Van Nostrand,
1974.
Buku.