Gaya APA
Wallis, Ian. (2011).
50 best business ideas of the last 50 years .
United Kingdom:
Crimson Publishing.
Gaya Chicago
Wallis, Ian.
50 best business ideas of the last 50 years.
United Kingdom:
Crimson Publishing,
2011.
Text.
Gaya MLA
Wallis, Ian.
50 best business ideas of the last 50 years.
United Kingdom:
Crimson Publishing,
2011.
Text.
Gaya Turabian
Wallis, Ian.
50 best business ideas of the last 50 years.
United Kingdom:
Crimson Publishing,
2011.
Print.