Gaya APA
Arias, F. (1993).
PRACTICAL GUIDE TO HIGH-RISK PREGNANCY AND DELIVERY 2nd Edition (2).
United States of America:
Mosby.
Gaya MLA
Arias, Fernando.
"PRACTICAL GUIDE TO HIGH-RISK PREGNANCY AND DELIVERY 2nd Edition".
2
United States of America:
Mosby,
1993.
Text.