Gaya APA
Patterson,Roy, ., Grammer,Leslei, .
(1993).
Allergic Diseases
(
4th ed)
.
Philadelphia:
J.B Lippincott Company.
Gaya MLA
Patterson,Roy, ., Grammer,Leslei, .
"Allergic Diseases".
4th ed
Philadelphia:
J.B Lippincott Company,
1993.
print.