Gaya APA
Sampson, R, J., Farris, M, T. (1975).
Domestic Transportation : Practice, Theory, and Policy .
Boston:
Houghton Mifflin Company.
Gaya MLA
Sampson, Roy, J.., Farris, Martin, T.
"Domestic Transportation : Practice, Theory, and Policy".
Boston:
Houghton Mifflin Company,
1975.
Text.