Gaya APA

Schwartz, B., Drayton, . (2012). Rippling: How Social Entrepreneurs Spread Innovation Throughout the World (#NAME?). Erlangga: Jossey-Bass.

Gaya MLA

Schwartz, Beverly., Drayton, . "Rippling: How Social Entrepreneurs Spread Innovation Throughout the World". #NAME? Erlangga: Jossey-Bass, 2012. Buku Teks.