APA-ийн эшлэл(7 дахь хэвлэлт)

Ebers, G., Sadovnick, A., & Risch, N. (1995). A genetic basis for familial aggregation in multiple sclerosis. Canadian Collaborative Study Group.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ebers, G., A. Sadovnick, ба N. Risch. A Genetic Basis for Familial Aggregation in Multiple Sclerosis. Canadian Collaborative Study Group. 1995.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ebers, G., et al. A Genetic Basis for Familial Aggregation in Multiple Sclerosis. Canadian Collaborative Study Group. 1995.