G. Thompson, F. (2010). Four species of land snails from Costa Rica and Panama (Pulmonata: Spiraxidae).
シカゴスタイル引用形G. Thompson, Fred. Four Species of Land Snails From Costa Rica and Panama (Pulmonata: Spiraxidae). 2010.
MLA引用形式G. Thompson, Fred. Four Species of Land Snails From Costa Rica and Panama (Pulmonata: Spiraxidae). 2010.
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