APA
Holder T. M., Ashcraft K. W., . (1980). Pediatric surgery. Philadelphia: Saunders.
Chicago
Holder Thomas M, Ashcraft Keith W, . 1980. Pediatric surgery. Philadelphia: Saunders.
Harvard
Holder T. M., Ashcraft K. W., . (1980). Pediatric surgery. Philadelphia: Saunders.
MLA
Holder Thomas M, Ashcraft Keith W, . Pediatric surgery. Philadelphia: Saunders. 1980.