Παραπομπή σε μορφή APA (7η εκδ.)
HANRAETS, P. R. M. J. (1959). The weak Back: A medical study of the endogenous components of disorders of the back, which is then called: A degenerative back.
Παραπομπή σε μορφή Chicago (17η εκδ.)
HANRAETS, Paul Richard Marie Joseph. The Weak Back: A Medical Study of the Endogenous Components of Disorders of the Back, Which Is Then Called: A Degenerative Back. Amsterdam, 1959.
Παραπομπή σε μορφή MLA (9th εκδ.)
HANRAETS, Paul Richard Marie Joseph. The Weak Back: A Medical Study of the Endogenous Components of Disorders of the Back, Which Is Then Called: A Degenerative Back. 1959.
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