Cita APA

Habbick, B. F., Melrose, A. G., & Grant, J. C. (1968). Duodenal ulcer in childhood. A study of predisposing factors.

Chicago Style Citation

Habbick, B. F., A. G. Melrose, i J. C. Grant. Duodenal Ulcer in Childhood. A Study of Predisposing Factors. 1968.

Cita MLA

Habbick, B. F., A. G. Melrose, i J. C. Grant. Duodenal Ulcer in Childhood. A Study of Predisposing Factors. 1968.