Trích dẫn APA

Williams, R. J. Proceedings of the consultants group meetings on downy mildew and ergot of pearl millet: 1-3 october 1975. International crops research institute for the semi arid tropics.

Trích dẫn kiểu Chicago

Williams, R J. Proceedings of the Consultants Group Meetings on Downy Mildew and Ergot of Pearl Millet: 1-3 October 1975. Hyderabad: International crops research institute for the semi arid tropics.

Trích dẫn MLA

Williams, R J. Proceedings of the Consultants Group Meetings on Downy Mildew and Ergot of Pearl Millet: 1-3 October 1975. International crops research institute for the semi arid tropics.

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