Παραπομπή σε μορφή APA (7η εκδ.)

Hordijk, W. (1961). Groei en ontwikkeling in de puberteit en de adolescentie: Growth and development during pubescence and adolescence. With a summary in English, French and German.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hordijk, Willem. Groei En Ontwikkeling in De Puberteit En De Adolescentie: Growth and Development During Pubescence and Adolescence. With a Summary in English, French and German. [Utrecht?, 1961.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hordijk, Willem. Groei En Ontwikkeling in De Puberteit En De Adolescentie: Growth and Development During Pubescence and Adolescence. With a Summary in English, French and German. 1961.