Gaya APA
Brent, R, L. (1988).
Teratology The Journal of Abnormal Development Volume 37 Number 3 March 1988 .
Carrolina:
Willey.
Gaya MLA
Brent, Robert, L.
"Teratology The Journal of Abnormal Development Volume 37 Number 3 March 1988".
Carrolina:
Willey,
1988.
.