Gaya APA

Hughes, H, K., Kahl, L, K. (2018). The harriet lane handbook : a manual for pediatric house officers twenty-first edition (21st edition). Philadelphia: Elsevier.

Gaya MLA

Hughes, Helen, K.., Kahl, Lauren, K.. "The harriet lane handbook : a manual for pediatric house officers twenty-first edition". 21st edition Philadelphia: Elsevier, 2018. Teks (Text).