Gaya APA
Lyght, C, E.
(1978).
The Merck Manual of diagnosis and therapy
(
ke-13)
.
America::
Merck Sharp & Dohme.
Gaya MLA
Lyght, Charles, E.
"The Merck Manual of diagnosis and therapy".
ke-13
America::
Merck Sharp & Dohme,
1978.
Text.