Shabbir, M. S., & Shamim, A. (2010). Creativity: A driving force behind yield management / Muhammad Shahbaz Shabbir and Amjad Shamim.
Chicago-viite (17. p.)Shabbir, Muhammad Shahbaz, ja Amjad Shamim. Creativity: A Driving Force Behind Yield Management / Muhammad Shahbaz Shabbir and Amjad Shamim. 2010.
MLA-viite (9. p.)Shabbir, Muhammad Shahbaz, ja Amjad Shamim. Creativity: A Driving Force Behind Yield Management / Muhammad Shahbaz Shabbir and Amjad Shamim. 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.