WEBB. (1994). Knock three times! Hertfordshire: Wordsworth Classicr.
Chicago Style CitationWEBB. Knock Three Times! Hertfordshire: Wordsworth Classicr, 1994.
MLA CitationWEBB. Knock Three Times! Hertfordshire: Wordsworth Classicr, 1994.
Warning: These citations may not always be 100% accurate.