Citace podle APA (7th ed.)
Harrison, W. F., & Welker, D. W. (1997). Intermediate Spanish memory book: A new approach to vocabulary building. University of Texas Press.
Citace podle Chicago (17th ed.)
Harrison, William F., a Dorothy Winters Welker. Intermediate Spanish Memory Book: A New Approach to Vocabulary Building. Austin: University of Texas Press, 1997.
Citace podle MLA (9th ed.)
Harrison, William F., a Dorothy Winters Welker. Intermediate Spanish Memory Book: A New Approach to Vocabulary Building. University of Texas Press, 1997.
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