ESCHER,Wolf. (1988). Five Steps to the Answer: Suite for 5 trumpets(20+4+4+4+4+4). Editions BIM.
Chicago Style (17th ed.) CitationESCHER,Wolf. Five Steps to the Answer: Suite for 5 Trumpets(20+4+4+4+4+4). Editions BIM, 1988.
MLA (8th ed.) CitationESCHER,Wolf. Five Steps to the Answer: Suite for 5 Trumpets(20+4+4+4+4+4). Editions BIM, 1988.
Warning: These citations may not always be 100% accurate.