Citazione Stile APA (7a Edizione)

Kahnert, F., Germidis, D. A., & Stier, H. (1971). Aid tying and export of nitrogenous fertilisers from the Persian Gulf. Development Centre of the Organisation for Economic Co-operation and Development.

Citazione stile Chigago Style (17a edizione)

Kahnert, F., Dimitri A. Germidis, e H. Stier. Aid Tying and Export of Nitrogenous Fertilisers from the Persian Gulf. [Paris]: Development Centre of the Organisation for Economic Co-operation and Development, 1971.

Citatione MLA (9a ed.)

Kahnert, F., et al. Aid Tying and Export of Nitrogenous Fertilisers from the Persian Gulf. Development Centre of the Organisation for Economic Co-operation and Development, 1971.