Gaya APA
nelson, R, E, B, V, C, V, D, W, E. (1979).
Nelson Textbook of Pediatrics (11).
Paris:
w.b. saunders.
Gaya MLA
nelson, Richard, E., Behrman,, Victor, C., Vaughan, Dan, Waldo, Emerson.
"Nelson Textbook of Pediatrics".
11
Paris:
w.b. saunders,
1979.
Text.