Jaffe, E. (1982). Barron`s How to prepare for the Graduate Management Admission Test (GMAT) (5th.). Galogotia.
Lua i Stíl Chicago (17ú heag.)Jaffe, E. Barron`s How to Prepare for the Graduate Management Admission Test (GMAT). 5th. New Delhi: Galogotia, 1982.
Lua MLA (9ú heag.)Jaffe, E. Barron`s How to Prepare for the Graduate Management Admission Test (GMAT). 5th. Galogotia, 1982.
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