ORTIZ BUONAFINA MARTA. (1984). PROFITABLE EXPORT MARKETING: A STRATEGY FOR US BUSIENSS. PRENTICE -HALL INTERNATIONAL, INC.
Lua i Stíl Chicago (17ú heag.)ORTIZ BUONAFINA MARTA. PROFITABLE EXPORT MARKETING: A STRATEGY FOR US BUSIENSS. NEW DEHLI: PRENTICE -HALL INTERNATIONAL, INC, 1984.
Lua MLA (9ú heag.)ORTIZ BUONAFINA MARTA. PROFITABLE EXPORT MARKETING: A STRATEGY FOR US BUSIENSS. PRENTICE -HALL INTERNATIONAL, INC, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.