EILON SAMUEL. (1981). ELEMENTS OF PRODUCTION PLANNING AND CONTROL. UNIVERSAL BOOKS.
Lua i Stíl Chicago (17ú heag.)EILON SAMUEL. ELEMENTS OF PRODUCTION PLANNING AND CONTROL. BOMBAY: UNIVERSAL BOOKS, 1981.
Lua MLA (9ú heag.)EILON SAMUEL. ELEMENTS OF PRODUCTION PLANNING AND CONTROL. UNIVERSAL BOOKS, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.