Gaya APA
Metcalf, A.E.. (1981).
A Price Resistance Model for Personal Travel .
:
PTRC.
Gaya Chicago
Metcalf, A.E..
A Price Resistance Model for Personal Travel.
:
PTRC,
1981.
Filmstrip.
Gaya MLA
Metcalf, A.E..
A Price Resistance Model for Personal Travel.
:
PTRC,
1981.
Filmstrip.
Gaya Turabian
Metcalf, A.E..
A Price Resistance Model for Personal Travel.
:
PTRC,
1981.
Filmstrip.