Lua APA (7ú heag.)

Merken, M. (1989). Physical Science with modern applications (4th.ed.). Saunders college.

Lua i Stíl Chicago (17ú heag.)

Merken, Melvin. Physical Science with Modern Applications. 4th.ed. Philadelphia: Saunders college, 1989.

Lua MLA (9ú heag.)

Merken, Melvin. Physical Science with Modern Applications. 4th.ed. Saunders college, 1989.

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