(1997). Couples choice for child spacing cited by expert. Manila Bulletin.
Cita Chicago (17th ed.)"Couples Choice for Child Spacing Cited by Expert." Manila Bulletin 1997.
Cita MLA (9th ed.)"Couples Choice for Child Spacing Cited by Expert." Manila Bulletin, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.