APA aipamena

Middleton, K. A. (1977). The economics of capital expenditure (4th ed.). Sydney London [etc.]: Butterworth.

Chicago Style aipamena

Middleton, K A. The Economics of Capital Expenditure. 4th ed. Sydney London [etc.]: Butterworth, 1977.

MLA aipamena

Middleton, K A. The Economics of Capital Expenditure. 4th ed. Sydney London [etc.]: Butterworth, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.