KRUZEL, S. L. (1990). Import/export Procedures Sandra L. Kruzel; Frank Reynolds. South-Western Publishing.
Lua i Stíl Chicago (17ú heag.)KRUZEL, Sandra L. Import/export Procedures Sandra L. Kruzel; Frank Reynolds. South-Western Publishing, 1990.
Lua MLA (8ú heag.)KRUZEL, Sandra L. Import/export Procedures Sandra L. Kruzel; Frank Reynolds. South-Western Publishing, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.