trusk, r. j. (1962). theoretical problems in regional income accounting. the institute of national planning.
Παραπομπή σε μορφή Chicago (17η εκδ.)trusk, robert j. Theoretical Problems in Regional Income Accounting. cairo: the institute of national planning, 1962.
Παραπομπή σε μορφή MLA (9th εκδ.)trusk, robert j. Theoretical Problems in Regional Income Accounting. the institute of national planning, 1962.