APA-ийн эшлэл(7 дахь хэвлэлт)

Turtledove, H. (2002). Counting up, counting down (first.). Ballantine books.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Turtledove, Harry. Counting Up, Counting Down. first. New York: Ballantine books, 2002.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Turtledove, Harry. Counting Up, Counting Down. first. Ballantine books, 2002.