Gaya APA

Sayer, N, J., Williams, B. (2012). Lean For Dummies (Ed. 2). Canada: John Wiley & Sos, Inc.

Gaya MLA

Sayer, Natalie, J.., Williams, Bruce. "Lean For Dummies". Ed. 2 Canada: John Wiley & Sos, Inc, 2012. Text.