<Panjaitan>. (1993). Anda Sanggup Mengatasi Stres. Indonesia Publishing House.
Chicago Style Citation<Panjaitan>. Anda Sanggup Mengatasi Stres. Indonesia Publishing House, 1993.
MLA Citation<Panjaitan>. Anda Sanggup Mengatasi Stres. Indonesia Publishing House, 1993.
Warning: These citations may not always be 100% accurate.