Gaya APA

Pfeifer, S, &, W, U. (1999). Anxiety, depression, and religiosity. A controlled clinicalstudy. . : .

Gaya MLA

Pfeifer, Samuel, &, Waelty,, Ursula. "Anxiety, depression, and religiosity. A controlled clinicalstudy. ". : , 1999. Majalah.