APA-ийн эшлэл(7 дахь хэвлэлт)

Müller-Schwarze, D. (2011). The beaver: Its life and impact (2nd ed.). Comstock Pub. Associates.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Müller-Schwarze, Dietland. The Beaver: Its Life and Impact. 2nd ed. Ithaca: Comstock Pub. Associates, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Müller-Schwarze, Dietland. The Beaver: Its Life and Impact. 2nd ed. Comstock Pub. Associates, 2011.