APA Style
Abdullah, V. et al (2011).
Primary Pulmonary Hypertension .
Banda Aceh:
FK.Unversitas Syiah Kuala Darussalam Banda Aceh.
MLA Style
Abdullah, Vera. et al.
"Primary Pulmonary Hypertension".
Banda Aceh:
FK.Unversitas Syiah Kuala Darussalam Banda Aceh,
2011.
Text.