Gaya APA
Hughes, H., K., Kahl, L., K. (2018).
The Johns Hokins Hospital The Harriet Lane Handbook Twenty-First Edition (20).
Belanda:
Elsevier.
Gaya MLA
Hughes, Helen, K.., Kahl, Lauren, K..
"The Johns Hokins Hospital The Harriet Lane Handbook Twenty-First Edition".
20
Belanda:
Elsevier,
2018.
Handbook.