PARKER, S. P. [. (1986). Grolier concise encyclopedia of science and technologyvol.4/ Editor Sybil P. Parker. Grolier International.
Lua i Stíl Chicago (17ú heag.)PARKER, Sybil P. [Ed.]. Grolier Concise Encyclopedia of Science and Technologyvol.4/ Editor Sybil P. Parker. Danbury: Grolier International, 1986.
Lua MLA (9ú heag.)PARKER, Sybil P. [Ed.]. Grolier Concise Encyclopedia of Science and Technologyvol.4/ Editor Sybil P. Parker. Grolier International, 1986.
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