Verhoef, E. (2009). The complete encyclopedia of tropical fish: How to keep, feed and care for your tropical fish. Rebo International Bv.
Citace podle Chicago (17th ed.)Verhoef, Esther. The Complete Encyclopedia of Tropical Fish: How to Keep, Feed and Care for Your Tropical Fish. Netherlands: Rebo International Bv, 2009.
Citace podle MLA (8th ed.)Verhoef, Esther. The Complete Encyclopedia of Tropical Fish: How to Keep, Feed and Care for Your Tropical Fish. Rebo International Bv, 2009.
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