Gaya APA
Bergen, L., Tobing, M. (2011).
Diego, Go! Ready level 1: Lomba Lari Hutan Hujan(bilingual) .
Jakarta:
Erlangga for Kids.
Gaya MLA
Bergen, Lara., Tobing, Michael.
"Diego, Go! Ready level 1: Lomba Lari Hutan Hujan(bilingual)".
Jakarta:
Erlangga for Kids,
2011.
Text / Book.