Cita APA (7a ed.)

Lando, O., & Beale, H. (1995). The principles of European contract law. Martinus Nijhoff.

Cita Chicago Style (17a ed.)

Lando, Ole, y Hugh Beale. The Principles of European Contract Law. Dordrecht [etc.]: Martinus Nijhoff, 1995.

Cita MLA (9a ed.)

Lando, Ole, y Hugh Beale. The Principles of European Contract Law. Martinus Nijhoff, 1995.