Gaya APA
Sampson, Roy J.. (1971).
Domestic transportation practice, theory and policy (text).
New York:
Houghton Mifflin Company.
Gaya Chicago
Sampson, Roy J..
Domestic transportation practice, theory and policy.
text
New York:
Houghton Mifflin Company,
1971.
.
Gaya MLA
Sampson, Roy J..
Domestic transportation practice, theory and policy.
text
New York:
Houghton Mifflin Company,
1971.
.
Gaya Turabian
Sampson, Roy J..
Domestic transportation practice, theory and policy.
text
New York:
Houghton Mifflin Company,
1971.
.