Feere, J. P. (1983). Merril Guide To The Research Paper John P. Feere. Charles E. Merill Publishing.
Lua i Stíl Chicago (17ú heag.)Feere, John P. Merril Guide To The Research Paper John P. Feere. Charles E. Merill Publishing, 1983.
Lua MLA (8ú heag.)Feere, John P. Merril Guide To The Research Paper John P. Feere. Charles E. Merill Publishing, 1983.
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