ANSARI, A. (1990). Just In Time Purchasing A Ansari, B. Modarres. the Free Press.
Lua i Stíl Chicago (17ú heag.)ANSARI, A. Just In Time Purchasing A Ansari, B. Modarres. the Free Press, 1990.
Lua MLA (8ú heag.)ANSARI, A. Just In Time Purchasing A Ansari, B. Modarres. the Free Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.