Não informado. (1991). European Journal of Pediatric Surgery. Masson.
Chicagoスタイル(17版)引用形式Não informado. European Journal of Pediatric Surgery. Paris: Masson, 1991.
MLA(8版)引用形式Não informado. European Journal of Pediatric Surgery. Masson, 1991.
警告: この引用は必ずしも正確ではありません.