APA

Catholic Church. National Conference of Catholic Bishops. Committee for Pro-Life Activities, .National standards of the National Conference of Catholic Bishops' Diocesan Development Program for natural family planning / Bishops' Committee for Pro-Life Activities, National Conference of Catholic Bishops 28 p. ; 22 cm. : .

Chicago

Catholic Church. National Conference of Catholic Bishops. Committee for Pro-Life Activities, .National standards of the National Conference of Catholic Bishops' Diocesan Development Program for natural family planning / Bishops' Committee for Pro-Life Activities, National Conference of Catholic Bishops 28 p. ; 22 cm. : .

Harvard

Catholic Church. National Conference of Catholic Bishops. Committee for Pro-Life Activities, .National standards of the National Conference of Catholic Bishops' Diocesan Development Program for natural family planning / Bishops' Committee for Pro-Life Activities, National Conference of Catholic Bishops 28 p. ; 22 cm. : .

MLA

Catholic Church. National Conference of Catholic Bishops. Committee for Pro-Life Activities, .: . .