Gaya APA
Bloch, Jon P.. (2013).
Handling difficult people .
Massachusetts, USA:
Adams Media.
Gaya Chicago
Bloch, Jon P..
Handling difficult people.
Massachusetts, USA:
Adams Media,
2013.
Text.
Gaya MLA
Bloch, Jon P..
Handling difficult people.
Massachusetts, USA:
Adams Media,
2013.
Text.
Gaya Turabian
Bloch, Jon P..
Handling difficult people.
Massachusetts, USA:
Adams Media,
2013.
Print.