Gaya APA

Schmitt, T., Perl, A. (2007). Simple Solutions Harnes the power of passion and simplicity to get result . Canada: Jhon Wiley & Sons,Ltd.

Gaya MLA

Schmitt, Tom., Perl, Arnold. "Simple Solutions Harnes the power of passion and simplicity to get result". Canada: Jhon Wiley & Sons,Ltd, 2007. Text.