Gaya APA

Alexander, J. et al (2012). Midwifery practice: postnatal care a research - based approach . Manado: Jurusan Kesehatan Lingkungan.

Gaya MLA

Alexander, Jo. et al. "Midwifery practice: postnatal care a research - based approach". Manado: Jurusan Kesehatan Lingkungan, 2012. Text.