APA-ийн эшлэл(7 дахь хэвлэлт)

Morris, R., Muller, C., & Godfray, H. (2001). Field experiments testing for apparent competition between primary parasitoids mediated by secondary parasitoids.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Morris, R., C. Muller, ба H. Godfray. Field Experiments Testing for Apparent Competition Between Primary Parasitoids Mediated by Secondary Parasitoids. 2001.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Morris, R., et al. Field Experiments Testing for Apparent Competition Between Primary Parasitoids Mediated by Secondary Parasitoids. 2001.