Penggayaan APA
ULMER, Melville J.. (1965).
Ulmer economics: theory and practice second edition .
USA:
.
Chicago Style
ULMER, Melville J..
Ulmer economics: theory and practice second edition.
USA:
,
1965.
Buku.
MLA Style
ULMER, Melville J..
Ulmer economics: theory and practice second edition.
USA:
,
1965.
Buku.
Turabian Style
ULMER, Melville J..
Ulmer economics: theory and practice second edition.
USA:
,
1965.
Buku.