APA (7. basım) Alıntı

Costanza, R. Economy: Robert Costanza. Keywords for environmental studies.([2016]).

Chicago Style (17. basım) Atıf

Costanza, Robert. "Economy: Robert Costanza." Keywords for Environmental Studies.([2016]) .

MLA (8th ed.) Atıf

Costanza, Robert. "Economy: Robert Costanza." Keywords for Environmental Studies.([2016]), .