Sapena Pastor, R., & Sapena Brugada, R. (1962). A statement of the laws of Paraguay in matters affecting business (Second edition.). Pan American Union.
Lua i Stíl Chicago (17ú heag.)Sapena Pastor, Raúl, agus Raúl Sapena Brugada. A Statement of the Laws of Paraguay in Matters Affecting Business. Second edition. Washington, D.C.: Pan American Union, 1962.
Lua MLA (8ú heag.)Sapena Pastor, Raúl, agus Raúl Sapena Brugada. A Statement of the Laws of Paraguay in Matters Affecting Business. Second edition. Pan American Union, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.