APA aipamena

Great Britain. Macdonald Educational Colour Units. (1976). Graphs. Macdonald Educational.

Chicago Style aipamena

Great Britain. Macdonald Educational Colour Units. Graphs. London: Macdonald Educational, 1976.

MLA aipamena

Great Britain. Macdonald Educational Colour Units. Graphs. Macdonald Educational, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.