Gaya APA

Sofyan, M. et al (2005). Alarm Bells in Medicine Danger Symptoms in Medicine, Surgery and Clinical Specialties . USA: BLACKWELL PUBLISHING.

Gaya MLA

Sofyan, Mustika. et al. "Alarm Bells in Medicine Danger Symptoms in Medicine, Surgery and Clinical Specialties". USA: BLACKWELL PUBLISHING, 2005. e-book.