Cita APA (7th ed.)

Fulmer, R. (1977). Practical human relations. Richard D Irwin.

Cita Chicago (17th ed.)

Fulmer, Robert. Practical Human Relations. New Delhi: Richard D Irwin, 1977.

Cita MLA (9th ed.)

Fulmer, Robert. Practical Human Relations. Richard D Irwin, 1977.