Gaya APA

Robinson, Sharon. (1991). Promises to Keep . New york: scholastic.

Gaya Chicago

Robinson, Sharon. Promises to Keep. New york: scholastic, 1991. Buku.

Gaya MLA

Robinson, Sharon. Promises to Keep. New york: scholastic, 1991. Buku.

Gaya Turabian

Robinson, Sharon. Promises to Keep. New york: scholastic, 1991. Buku.