Citadel Press

Maryland: The Scarecrow Press, Inc., 2005. ISBN 0-8108-5359-0 Plantamura, Carol, The Opera Lover's Guide to Europe, New York: Citadel Press, 1996. ISBN 0-8065-1842-1

holes? : fascinating facts about what we eat and drink. 纽约: Citadel Press（英语：Citadel Press）. 2004: 112–113 [2021-01-14]. ISBN 978-0-8065-2551-8. OCLC 56800212

Maryland: The Scarecrow Press, Inc., 2005. ISBN 0-8108-5359-0 Plantamura, Carol, The Opera Lover's Guide to Europe, New York: Citadel Press, 1996. ISBN 0-8065-1842-1

Maryland: The Scarecrow Press, Inc., 2005. ISBN 0-8108-5359-0 Plantamura, Carol, The Opera Lover's Guide to Europe, Citadel Press, 1996, ISBN 0-8065-1842-1

Maryland: The Scarecrow Press, Inc., 2005. ISBN 0-8108-5359-0 Plantamura, Carol, The Opera Lover's Guide to Europe, New York: Citadel Press, 1996. ISBN 0-8065-1842-1