Παραπομπή σε μορφή APA (7η εκδ.)

Diaz, R. C. (1970). Philosophy of training in planning for integrated regional development as practised by UNCRD. s.n.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Diaz, Ralph C. Philosophy of Training in Planning for Integrated Regional Development as Practised by UNCRD. S.l: s.n, 1970.

Παραπομπή σε μορφή MLA (9th εκδ.)

Diaz, Ralph C. Philosophy of Training in Planning for Integrated Regional Development as Practised by UNCRD. s.n, 1970.