Lua APA (7ú heag.)

Kilpatrick, W. H. (1926). The project method: The use of the purposeful act in the educative process. Teachers college, Columbia university.

Lua i Stíl Chicago (17ú heag.)

Kilpatrick, William Heard. The Project Method: The Use of the Purposeful Act in the Educative Process. New York city: Teachers college, Columbia university, 1926.

Lua MLA (8ú heag.)

Kilpatrick, William Heard. The Project Method: The Use of the Purposeful Act in the Educative Process. Teachers college, Columbia university, 1926.

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