APA-ийн эшлэл(7 дахь хэвлэлт)

WEILL ANN. (2019). THE WORLD'S MOST AMAZING NATIONAL PARKS (2018 Ed.). RAINTREE PUBLISHERS.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

WEILL ANN. THE WORLD'S MOST AMAZING NATIONAL PARKS. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

WEILL ANN. THE WORLD'S MOST AMAZING NATIONAL PARKS. 2018 Ed. RAINTREE PUBLISHERS, 2019.