APA-ийн эшлэл(7 дахь хэвлэлт)

Ridenour, N., & Johnson, I. (1949). Some special problems of children: Aged 2 to 5 years. The National Mental Health Foundation.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ridenour, Nina, ба Isabel Johnson. Some Special Problems of Children: Aged 2 to 5 Years. Filadelfia: The National Mental Health Foundation, 1949.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ridenour, Nina, ба Isabel Johnson. Some Special Problems of Children: Aged 2 to 5 Years. The National Mental Health Foundation, 1949.