Gaya APA
Bowersox, Donald J.. (1981).
Introduction to transportation .
New York:
Macmillan.
Gaya Chicago
Bowersox, Donald J..
Introduction to transportation.
New York:
Macmillan,
1981.
.
Gaya MLA
Bowersox, Donald J..
Introduction to transportation.
New York:
Macmillan,
1981.
.
Gaya Turabian
Bowersox, Donald J..
Introduction to transportation.
New York:
Macmillan,
1981.
.