APA-viite (7. p.)
Erkens, C., & Twadell, E. (2012). Leading by design: An action framework for PLC at Work leaders. Solution Tree Press.
Chicago-viite (17. p.)
Erkens, Cassandra, ja Eric Twadell. Leading by Design: An Action Framework for PLC at Work Leaders. Bloomington, Ind.: Solution Tree Press, 2012.
MLA-viite (9. p.)
Erkens, Cassandra, ja Eric Twadell. Leading by Design: An Action Framework for PLC at Work Leaders. Solution Tree Press, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.