APA (7th ed.) Citation
Sawyer, W. W. (1970). Introducing mathematics 3: The search for pattern (1a. ed.). Penguin books.
Chicago Style (17th ed.) Citation
Sawyer, W. W. Introducing Mathematics 3: The Search for Pattern. 1a. ed. Penguin books, 1970.
MLA (9th ed.) Citation
Sawyer, W. W. Introducing Mathematics 3: The Search for Pattern. 1a. ed. Penguin books, 1970.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.