GREMLI, M. S. (1995). Insight Guides Underwater. APA Publications.
Lua i Stíl Chicago (17ú heag.)GREMLI, Margaret S. Insight Guides Underwater. APA Publications, 1995.
Lua MLA (8ú heag.)GREMLI, Margaret S. Insight Guides Underwater. APA Publications, 1995.
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