APA (7th ed.) Citation
Hornby, A. (1971). Oxford progressive English: Course 1 (18. vyd.). Oxford University Press.
Chicago Style (17th ed.) Citation
Hornby, A.S. Oxford Progressive English: Course 1. 18. vyd. Oxford: Oxford University Press, 1971.
MLA (9th ed.) Citation
Hornby, A.S. Oxford Progressive English: Course 1. 18. vyd. Oxford University Press, 1971.
Warning: These citations may not always be 100% accurate.