APA citiranje

Kröger, H. (1990). Osteoporosis in rheumatoid arthritis. Dept. of Surgery, University of Kuopio.

Chicago Style (17th ed.) Citation

Kröger, Heikki. Osteoporosis in Rheumatoid Arthritis. Kuopio: Dept. of Surgery, University of Kuopio, 1990.

MLA citiranje

Kröger, Heikki. Osteoporosis in Rheumatoid Arthritis. Dept. of Surgery, University of Kuopio, 1990.