Παραπομπή σε μορφή APA (7η εκδ.)

Ryberg, M. (1991). Chronic treatment with β-adrenoceptor agonists in asthmatics: Effects on salivary gland function and dental caries development. University of Umeå.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ryberg, Mats. Chronic Treatment with β-adrenoceptor Agonists in Asthmatics: Effects on Salivary Gland Function and Dental Caries Development. Umeå: University of Umeå, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ryberg, Mats. Chronic Treatment with β-adrenoceptor Agonists in Asthmatics: Effects on Salivary Gland Function and Dental Caries Development. University of Umeå, 1991.