Παραπομπή APA

Guthkelch, A. N. (1962). Studies in Spina Bifida Cystica: III. Seasonal Variation in the Frequency of Spina Bifida Births.

Παραπομπή Chicago Style

Guthkelch, A. N. Studies in Spina Bifida Cystica: III. Seasonal Variation in the Frequency of Spina Bifida Births. 1962.

Παραπομπή MLA

Guthkelch, A. N. Studies in Spina Bifida Cystica: III. Seasonal Variation in the Frequency of Spina Bifida Births. 1962.

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