Παραπομπή σε μορφή APA (7η εκδ.)
Foster Garth Nicholas & Friday Laurie. (2011). Keys to adults of the water beetles of Britain and Ireland (Part 1): (Coleoptera: Hydradephaga: Gyrinidae, Haliplidae, Paelobiidae, Noteridae and Dytiscidae) (2nd.). Royal Entomological Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Foster Garth Nicholas και Friday Laurie. Keys to Adults of the Water Beetles of Britain and Ireland (Part 1): (Coleoptera: Hydradephaga: Gyrinidae, Haliplidae, Paelobiidae, Noteridae and Dytiscidae). 2nd. Royal Entomological Society, 2011.
Παραπομπή σε μορφή MLA (9th εκδ.)
Foster Garth Nicholas και Friday Laurie. Keys to Adults of the Water Beetles of Britain and Ireland (Part 1): (Coleoptera: Hydradephaga: Gyrinidae, Haliplidae, Paelobiidae, Noteridae and Dytiscidae). 2nd. Royal Entomological Society, 2011.
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