Gentle G. G. (1970). Progressive exercises in english. Methuen educational LTD.
Chicago Style (17th ed.) CitationGentle G. G. Progressive Exercises in English. London: Methuen educational LTD, 1970.
MLA (8th ed.) CitationGentle G. G. Progressive Exercises in English. Methuen educational LTD, 1970.
Warning: These citations may not always be 100% accurate.