Citazione APA

Sapena Pastor, R., & Sapena Brugada, R. (1962). A statement of the laws of Paraguay in matters affecting business (Second edition.). Pan American Union.

Stile di citazione Chicago

Sapena Pastor, Raúl, e Raúl Sapena Brugada. A Statement of the Laws of Paraguay in Matters Affecting Business. Second edition. Washington, D.C.: Pan American Union, 1962.

Citazione MLA

Sapena Pastor, Raúl, e Raúl Sapena Brugada. A Statement of the Laws of Paraguay in Matters Affecting Business. Second edition. Pan American Union, 1962.