APA-referens (7:e uppl.)
Voelkel, N. F. (2011). Pulmonary hypertension: The present and future. People's Medical Publishing House.
Chicago-referens (17:e uppl.)
Voelkel, Norbert F. Pulmonary Hypertension: The Present and Future. Shelton, Connecticut: People's Medical Publishing House, 2011.
MLA-referens (9:e uppl.)
Voelkel, Norbert F. Pulmonary Hypertension: The Present and Future. People's Medical Publishing House, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.