Henrici, S. B. (1960). Standard cost for manufacturing (3a. ed.). MacGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Henrici, Stanley B. Standard Cost for Manufacturing. 3a. ed. Nueva York: MacGraw-Hill, 1960.
Lua MLA (9ú heag.)Henrici, Stanley B. Standard Cost for Manufacturing. 3a. ed. MacGraw-Hill, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.