Gaya APA

Thinkers, T, F. (1993). English Level 1 Word Play : Builds Vocabulary With Colors, Shapes & Letters! (Cet. 1). Hongkong: Schofield & Sims Ltd.

Gaya MLA

Thinkers, Tim, Fun. "English Level 1 Word Play : Builds Vocabulary With Colors, Shapes & Letters!". Cet. 1 Hongkong: Schofield & Sims Ltd, 1993. Text.