Gaya APA

Sati, . (2017). Did You Know Series : Ekosistem (Buku Pengayaan Biologi) (cet.1). Azka Pressindo: Azka Pressindo.

Gaya MLA

Sati, . "Did You Know Series : Ekosistem (Buku Pengayaan Biologi)". cet.1 Azka Pressindo: Azka Pressindo, 2017. Text.