Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.