Gaya APA

Pytrr, P, A. (1973). Zero base budgeting A practical mangement tool for evaluating expense (1973). : New York, John Wiley&Sons, Inc.,.

Gaya MLA

Pytrr, Peter, A. "Zero base budgeting A practical mangement tool for evaluating expense". 1973 : New York, John Wiley&Sons, Inc.,, 1973. Text.