Gaya APA

How it work:The illustrated science and invention encyclopedia. (1983). : Hs Stuttman Inc.

Gaya Chicago

How it work:The illustrated science and invention encyclopedia. . : Hs Stuttman Inc, 1983. .

Gaya MLA

How it work:The illustrated science and invention encyclopedia. . : Hs Stuttman Inc, 1983. .

Gaya Turabian

How it work:The illustrated science and invention encyclopedia. : Hs Stuttman Inc, 1983. .