Cita APA

Kaplan, R. S., Campbell, D., The European Case Clearing House, & Harvard Business School. (2001). Boston Lyric Opera. [Bedfordshire]: The European Case Clearing House.

Citación estilo Chicago

Kaplan, Robert S., Dennis Campbell, The European Case Clearing House, and Harvard Business School. Boston Lyric Opera. [Bedfordshire]: The European Case Clearing House, 2001.

Cita MLA

Kaplan, Robert S., Dennis Campbell, The European Case Clearing House, and Harvard Business School. Boston Lyric Opera. [Bedfordshire]: The European Case Clearing House, 2001.