Gaya APA

Hughes, H, K., Kahl, L, K. (2018). The Johns Hopkins Hospital : The Harriet Lane Handbook (21) (Edisi 21). Philadelphia: Elsevier.

Gaya MLA

Hughes, Helen, K.., Kahl, Lauren, K.. "The Johns Hopkins Hospital : The Harriet Lane Handbook (21)". Edisi 21 Philadelphia: Elsevier, 2018. Textbook.