Gulati, G., Lynall, M., & Saunders, K. (2014). Lecture notes (Eleventh edition.). John Wiley & Sons Inc.
Lua i Stíl Chicago (17ú heag.)Gulati, Gautam, Mary-Ellen Lynall, agus Kate Saunders. Lecture Notes. Eleventh edition. Chichester, West Sussex: John Wiley & Sons Inc, 2014.
Lua MLA (9ú heag.)Gulati, Gautam, et al. Lecture Notes. Eleventh edition. John Wiley & Sons Inc, 2014.
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