Penggayaan APA
GREGG, James R.. (1965).
The story of optometry .
New York:
The Ronald Press Company.
Chicago Style
GREGG, James R..
The story of optometry.
New York:
The Ronald Press Company,
1965.
Buku.
MLA Style
GREGG, James R..
The story of optometry.
New York:
The Ronald Press Company,
1965.
Buku.
Turabian Style
GREGG, James R..
The story of optometry.
New York:
The Ronald Press Company,
1965.
Buku.