Rossman, L. A. (1935). Railways and highways: A discussion of transportation relationships. s.n.
Citazione stile Chigago Style (17a edizione)Rossman, Laurence Alonzo. Railways and Highways: A Discussion of Transportation Relationships. [Grand Rapids, Minn: s.n, 1935.
Citatione MLA (9a ed.)Rossman, Laurence Alonzo. Railways and Highways: A Discussion of Transportation Relationships. s.n, 1935.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.