Schwartz, B. (2012). Rippling: How social entrepreneurs spread innovation throughout the world. San Francisco, Calif: Jossey-Bass.
Čikaški stil citiranjaSchwartz, Beverly. Rippling: How Social Entrepreneurs Spread Innovation Throughout the World. San Francisco, Calif: Jossey-Bass, 2012.
MLA način citiranjaSchwartz, Beverly. Rippling: How Social Entrepreneurs Spread Innovation Throughout the World. San Francisco, Calif: Jossey-Bass, 2012.
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