Gaya APA

Kertell, L, M. (2008). BOX My First Bob Books - Alphabet Box Set | Phonics, Letter sounds, Ages 3 and up, Pre-K (Reading Readiness) . : Scholastic US.

Gaya MLA

Kertell, Lynn, Maslen. "BOX My First Bob Books - Alphabet Box Set | Phonics, Letter sounds, Ages 3 and up, Pre-K (Reading Readiness)". : Scholastic US, 2008. Text.