Shechan, A. (1972). Purnell's discovering nature. Purnell.
Chicago Edition CitationShechan, A. Purnell's Discovering Nature. London: Purnell, 1972.
MLA Edition CitationShechan, A. Purnell's Discovering Nature. Purnell, 1972.
Warning: These citations may not always be 100% accurate.