Παραπομπή σε μορφή APA (7η εκδ.)

lohr, v. (1974). on a few theoretical questions of prognoses and long - term plans for the development of agricultural production. the institute of national planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

lohr, v. On a Few Theoretical Questions of Prognoses and Long - Term Plans for the Development of Agricultural Production. cairo: the institute of national planning, 1974.

Παραπομπή σε μορφή MLA (9th εκδ.)

lohr, v. On a Few Theoretical Questions of Prognoses and Long - Term Plans for the Development of Agricultural Production. the institute of national planning, 1974.