Παραπομπή APA

Friedlaender, A. F. (1969). Dilemma of freight transport regulation. Brookings institution.

Παραπομπή Chicago Style

Friedlaender, Ann F. Dilemma of Freight Transport Regulation. Washington: Brookings institution, 1969.

Παραπομπή MLA

Friedlaender, Ann F. Dilemma of Freight Transport Regulation. Brookings institution, 1969.