OSTROWSKI, R. Echoes of Time: A world history. McGraw-Hill Book Company.
Chicago Style (17th ed.) CitationOSTROWSKI, Richard. Echoes of Time: A World History. McGraw-Hill Book Company.
MLA (8th ed.) CitationOSTROWSKI, Richard. Echoes of Time: A World History. McGraw-Hill Book Company.
Warning: These citations may not always be 100% accurate.