CARROLL, P., & CARROLL, P. (1952). How To Control Production Costs Phil Carroll. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)CARROLL, Phil, agus Phil CARROLL. How To Control Production Costs Phil Carroll. McGraw-Hill, 1952.
Lua MLA (8ú heag.)CARROLL, Phil, agus Phil CARROLL. How To Control Production Costs Phil Carroll. McGraw-Hill, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.