Gaya APA
L.L.Langley, . et al
(1969).
Anatomy and physiologi
(
3)
.
United States of America:
mcgraw hill book company.
Gaya MLA
L.L.Langley, . et al.
"Anatomy and physiologi".
3
United States of America:
mcgraw hill book company,
1969.
Text.