Penggayaan APA
FREY, Bruno S.. (2003).
Arts & Economics .
New York:
Springer.
Chicago Style
FREY, Bruno S..
Arts & Economics.
New York:
Springer,
2003.
Buku.
MLA Style
FREY, Bruno S..
Arts & Economics.
New York:
Springer,
2003.
Buku.
Turabian Style
FREY, Bruno S..
Arts & Economics.
New York:
Springer,
2003.
Buku.