APA-ийн эшлэл(7 дахь хэвлэлт)

Roma Gans. (1996). How Do Birds Find Their Way? (Let's-Read-and-Find-Out Science 2). HarperCollins.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Roma Gans. How Do Birds Find Their Way? (Let's-Read-and-Find-Out Science 2). HarperCollins, 1996.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Roma Gans. How Do Birds Find Their Way? (Let's-Read-and-Find-Out Science 2). HarperCollins, 1996.