Gaya APA

Yetman, R, J., Hormann, M, D. (2020). Pediatrics: pre test (15). New York: Mc Graw Hill.

Gaya MLA

Yetman, Robert, J.., Hormann, Mark, D.. "Pediatrics: pre test". 15 New York: Mc Graw Hill, 2020. Buku.