Dyfyniad APA

Salmon, S. C. (1964). The principles and practice of agricultural research. Leonard Hill.

Dyfyniad Arddull Chicago

Salmon, Samuel C. The Principles and Practice of Agricultural Research. London: Leonard Hill, 1964.

Dyfyniad MLA

Salmon, Samuel C. The Principles and Practice of Agricultural Research. Leonard Hill, 1964.

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