Cita APA (7th ed.)

Beeler, D., & Kurshenbaum, H. (1978). Roles of the labor leader. s.n.].

Cita Chicago (17th ed.)

Beeler, Duane, i Harry Kurshenbaum. Roles of the Labor Leader. [S.l: s.n.], 1978.

Cita MLA (9th ed.)

Beeler, Duane, i Harry Kurshenbaum. Roles of the Labor Leader. s.n.], 1978.