SAMPSON, Roy J. - FARRIS, Martin T. - SHROCK, David L. Domestic Transportation : Practice, Theory, and Policy. 5. ed. Boston : Houghton Mifflin Co., 1985. 640 s. ISBN 0-395-35713-6. [Copy count : 1, currently available 1, at library only 0]

MÖRNER, Magnus. Local communities and actors in Latin Americas' past. Stockholm : Stockholm University, Institute of Latin American Studies, 1994. 231 s. Monograph series, 25. ISBN 91-85894-32-X. ISSN 0284-6675. [Copy count : 1, currently available 1, at library only 0]

WOLF, William B. The Basic Barnard : An Introduction to Chester I. Barnard and His Theories of Organization and Management. 1. ed., 2. print. New York : New York State School of Industrial and Labor Relations, 1982. 140 s. IRL Paperback, No. 14. ISBN 0-87546-054-2. [Copy count : 1, currently available 1, at library only 0]