Cita APA

Lipsey, R. (1986). An intro to positive economics (6th.). ELBS.

Citación estilo Chicago

Lipsey, Richard. An Intro to Positive Economics. 6th. London: ELBS, 1986.

Cita MLA

Lipsey, Richard. An Intro to Positive Economics. 6th. ELBS, 1986.

Warning: These citations may not always be 100% accurate.