APA

Abbott A., . (1976). Ordinary level phisics. london: Heinemann educational books.

Chicago

Abbott A.F, . 1976. Ordinary level phisics. london: Heinemann educational books.

Harvard

Abbott A., . (1976). Ordinary level phisics. london: Heinemann educational books.

MLA

Abbott A.F, . Ordinary level phisics. london: Heinemann educational books. 1976.