Gaya APA

THOMAS, F., COLLINS, R. (2006). Little monster's book of numbers: monster kecil belajar berhitung (Cet.1). Jakarta: Wortel Books.

Gaya MLA

THOMAS, Frances., COLLINS, Ross. "Little monster's book of numbers: monster kecil belajar berhitung". Cet.1 Jakarta: Wortel Books, 2006. Text.