Gaya APA
Bursk, Edward C.. (1978).
How to increase executive effectiveness .
America:
Intercontinental.
Gaya Chicago
Bursk, Edward C..
How to increase executive effectiveness.
America:
Intercontinental,
1978.
Text.
Gaya MLA
Bursk, Edward C..
How to increase executive effectiveness.
America:
Intercontinental,
1978.
Text.
Gaya Turabian
Bursk, Edward C..
How to increase executive effectiveness.
America:
Intercontinental,
1978.
Print.