APA Style

Widodo, G, Y. (2016). How To Become A Highly Qualified Instructor=Cara-cara Rahasia Menjadi Instruktur Hebat (cet. 1). sleman, yogyakarta: Diandra Kreatif.

MLA Style

Widodo, Gian, Y.. "How To Become A Highly Qualified Instructor=Cara-cara Rahasia Menjadi Instruktur Hebat". cet. 1 sleman, yogyakarta: Diandra Kreatif, 2016. Text.