Παραπομπή σε μορφή APA (7η εκδ.)
Study Group in the economics of education & Friis, H. (1966). Organisational Problems in planning educational development: Study Group in the economics of education. Organisation for Economic Co-operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Study Group in the economics of education και Henning Friis. Organisational Problems in Planning Educational Development: Study Group in the Economics of Education. Paris: Organisation for Economic Co-operation and Development, 1966.
Παραπομπή σε μορφή MLA (9th εκδ.)
Study Group in the economics of education και Henning Friis. Organisational Problems in Planning Educational Development: Study Group in the Economics of Education. Organisation for Economic Co-operation and Development, 1966.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.