HOLLIS, H. F. (1964). Profitable growing without soil. English universities press limited.
Chicago Edition CitationHOLLIS, H F. Profitable Growing Without Soil. London: English universities press limited, 1964.
MLA Edition CitationHOLLIS, H F. Profitable Growing Without Soil. English universities press limited, 1964.
Warning: These citations may not always be 100% accurate.