Gaya APA

Griffiths, A., Denton, T. (2015). The 39-Storey Treehouse (3) . : Macmillan Children\'s Books.

Gaya MLA

Griffiths, Adam., Denton, Terry. "The 39-Storey Treehouse (3)". : Macmillan Children\'s Books, 2015. Text.