Designed by

• Christopher T. Howlett

Canada, 2012

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- Attribution ( CC BY 3.0 )

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Christopher T. Howlett, from The Noun Project › Learn how to attribute

Designed by

• Luis Martins

2012

Licensed Under

- No Rights Reserved ( CC0 )

Designed by

• Anuar Zhumayev

2011

Licensed Under

- No Rights Reserved ( CC0 )

Designed by

• Diego Carneiro

Brazil, 1987

Licensed Under

- Attribution ( CC BY 3.0 )

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Diego Carneiro, from The Noun Project › Learn how to attribute