Kleef, H. van m.fl. (2008). «Pumpkinseed sunfish (Lepomis gibbosus) invasions facilitated by introductions and nature management strongly reduce macroinvertebrate abundance in isolated water bodies». Biological Invasions. 10: 1481–1490. ISSN1573-1464. doi:10.1007/s10530-008-9220-7.
Sterud, E. og A. Jørgensen (2006). «Pumpkinseed Lepomis gibbosus (Linnaeus, 1758) (Centrarchidae) and associated parasites introduced to Norway». Aquatic Invasions. 1 (4): 278–280. ISSN1818-5487. doi:10.3391/ai.2006.1.4.10.
Kleef, H. van m.fl. (2008). «Pumpkinseed sunfish (Lepomis gibbosus) invasions facilitated by introductions and nature management strongly reduce macroinvertebrate abundance in isolated water bodies». Biological Invasions. 10: 1481–1490. ISSN1573-1464. doi:10.1007/s10530-008-9220-7.
Sterud, E. og A. Jørgensen (2006). «Pumpkinseed Lepomis gibbosus (Linnaeus, 1758) (Centrarchidae) and associated parasites introduced to Norway». Aquatic Invasions. 1 (4): 278–280. ISSN1818-5487. doi:10.3391/ai.2006.1.4.10.