APA-ийн эшлэл(7 дахь хэвлэлт)

Doris, E. (1991). Doing what scientists do: Children learn to investigate their world. Heinemann.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Doris, Ellen. Doing What Scientists Do: Children Learn to Investigate Their World. Portsmouth: Heinemann, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Doris, Ellen. Doing What Scientists Do: Children Learn to Investigate Their World. Heinemann, 1991.