Trích dẫn APA

(1971). The problems of persistent chemicals. Paris: Organisation for Economic Co-operation and Development.

Trích dẫn kiểu Chicago

The Problems of Persistent Chemicals. Paris: Organisation for Economic Co-operation and Development, 1971.

Trích dẫn MLA

The Problems of Persistent Chemicals. Paris: Organisation for Economic Co-operation and Development, 1971.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.