APA
National Board of Accountants and Auditors, . (2019). Principles of Cost Accounting and Procurement TO6. Dar Es Salaam: National Board of Accountants and Auditors.
Chicago
National Board of Accountants and Auditors, . 2019. Principles of Cost Accounting and Procurement TO6. Dar Es Salaam: National Board of Accountants and Auditors.
Harvard
National Board of Accountants and Auditors, . (2019). Principles of Cost Accounting and Procurement TO6. Dar Es Salaam: National Board of Accountants and Auditors.
MLA
National Board of Accountants and Auditors, . Principles of Cost Accounting and Procurement TO6. Dar Es Salaam: National Board of Accountants and Auditors. 2019.