Gaya APA
SCIARRA, J, J., SPEIDEL, J. (1980).
Advances in female sterilization techniques .
Hagerstown:
Medical department hasper & row.
Gaya MLA
SCIARRA, John, J., SPEIDEL, J.Joseph.
"Advances in female sterilization techniques".
Hagerstown:
Medical department hasper & row,
1980.
Buku.