Fortune Research Staff. (1960). Markets of the sixties (3a. ed.). Harper & Brothers.
Cita Chicago (17th ed.)Fortune Research Staff. Markets of the Sixties. 3a. ed. Nueva York: Harper & Brothers, 1960.
Cita MLA (9th ed.)Fortune Research Staff. Markets of the Sixties. 3a. ed. Harper & Brothers, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.