(1971). Studies in budgeting. North-Holland.
Chicago Style (17. basım) AtıfStudies in Budgeting. Amsterdam: North-Holland, 1971.
MLA (9th ed.) AtıfStudies in Budgeting. North-Holland, 1971.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(1971). Studies in budgeting. North-Holland.
Chicago Style (17. basım) AtıfStudies in Budgeting. Amsterdam: North-Holland, 1971.
MLA (9th ed.) AtıfStudies in Budgeting. North-Holland, 1971.