Lua APA (7ú heag.)

Fremont, H. (1969). How to teach mathematics in secondary schools. Saunders.

Lua i Stíl Chicago (17ú heag.)

Fremont, Herbert. How to Teach Mathematics in Secondary Schools. Philadelphia: Saunders, 1969.

Lua MLA (9ú heag.)

Fremont, Herbert. How to Teach Mathematics in Secondary Schools. Saunders, 1969.

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