Cita APA (7a ed.)

Nugent, N., & O'Donnell, R. (1994). The European business environment. MacMillan.

Cita Chicago Style (17a ed.)

Nugent, Neill, y Rory O'Donnell. The European Business Environment. Basingstoke [etc.]: MacMillan, 1994.

Cita MLA (9a ed.)

Nugent, Neill, y Rory O'Donnell. The European Business Environment. MacMillan, 1994.