Cita APA (7a ed.)

Pierog, K., & Stein, J. (1989). New contracts: What makes them fly or fail? [s.n.].

Cita Chicago Style (17a ed.)

Pierog, Karen, y Jon Stein. New Contracts: What Makes Them Fly or Fail? [S.l.]: [s.n.], 1989.

Cita MLA (9a ed.)

Pierog, Karen, y Jon Stein. New Contracts: What Makes Them Fly or Fail? [s.n.], 1989.