Landy, A. S., & Allen, W. R. (2000). The Heath introduction to literature (6th ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Landy, Alice S., agus William Rodney Allen. The Heath Introduction to Literature. 6th ed. Boston: Houghton Mifflin, 2000.
Lua MLA (8ú heag.)Landy, Alice S., agus William Rodney Allen. The Heath Introduction to Literature. 6th ed. Houghton Mifflin, 2000.
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