Wyss, J. D. (1987). The Swiss Family Robinson. Longman Group UK Ltd.
Lua i Stíl Chicago (17ú heag.)Wyss, Johann David. The Swiss Family Robinson. Longman Group UK Ltd, 1987.
Lua MLA (9ú heag.)Wyss, Johann David. The Swiss Family Robinson. Longman Group UK Ltd, 1987.
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