Federer, W. T. (1977). Experimental Design (1st edition.). Oxford and IBH.
Tohutoru Kātū Chicago (17th ed.)Federer, Walter T. Experimental Design. 1st edition. New Delhi: Oxford and IBH, 1977.
Tohutoro MLA (9th ed.)Federer, Walter T. Experimental Design. 1st edition. Oxford and IBH, 1977.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.