Hopper, V. F., & Grebanier, B. (1952). Essentials of european literature: A guide to great books. Barron's Educational.
Chicago-viite (17. p.)Hopper, Vincent F., ja Bernard Grebanier. Essentials of European Literature: A Guide to Great Books. Nueva York: Barron's Educational, 1952.
MLA-viite (9. p.)Hopper, Vincent F., ja Bernard Grebanier. Essentials of European Literature: A Guide to Great Books. Barron's Educational, 1952.
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