APA
Joe Boyd ; Walter Whitelaw ; Peter Warren, . (1991). Understanding Science 3. London: John Murray.
Chicago
Joe Boyd ; Walter Whitelaw ; Peter Warren, . 1991. Understanding Science 3. London: John Murray.
Harvard
Joe Boyd ; Walter Whitelaw ; Peter Warren, . (1991). Understanding Science 3. London: John Murray.
MLA
Joe Boyd ; Walter Whitelaw ; Peter Warren, . Understanding Science 3. London: John Murray. 1991.
