Trích dẫn APA

Kahnert, F. (1971). Aid tying and export of nitrogenous fertilisers from the persian gulf. Paris: Development Centre Of The Organisation For economic Cooperation And Development.

Trích dẫn kiểu Chicago

Kahnert, F. Aid Tying and Export of Nitrogenous Fertilisers From the Persian Gulf. Paris: Development Centre Of The Organisation For economic Cooperation And Development, 1971.

Trích dẫn MLA

Kahnert, F. Aid Tying and Export of Nitrogenous Fertilisers From the Persian Gulf. Paris: Development Centre Of The Organisation For economic Cooperation And Development, 1971.

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