Groysberg, B. &. S. (2012). Talk, Inc. Harvard Business School Publishing.
Chicago Style aipamenaGroysberg, Boris & Slind. Talk, Inc. United State of America: Harvard Business School Publishing, 2012.
MLA aipamenaGroysberg, Boris & Slind. Talk, Inc. Harvard Business School Publishing, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.