APA aipamena

Samuelson, P. (1981). Economics from the heart. San Diego: Harcourt Brace Jovanovich, Publishers.

Chicago Style aipamena

Samuelson, Paul. Economics From the Heart. San Diego: Harcourt Brace Jovanovich, Publishers, 1981.

MLA aipamena

Samuelson, Paul. Economics From the Heart. San Diego: Harcourt Brace Jovanovich, Publishers, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.