APA Style

Achmad, H. (1996). Gastritis, Stress and Helicobacter Pylori (Gastritis, Stres dan Helicobacter Pylori) . : .

MLA Style

Achmad, Harijono. "Gastritis, Stress and Helicobacter Pylori (Gastritis, Stres dan Helicobacter Pylori)". : , 1996. Text.