Gaya APA

1). Ferret, Sharon.K. (2010). Peak performance. Succes in college and beyond. texbook Manajemen 2010 (Seventh edition.). NewYork :: McGraw-Hill,Inc,.

Gaya Chicago

1). Ferret, Sharon.K. Peak performance. Succes in college and beyond. texbook Manajemen 2010. Seventh edition. NewYork :: McGraw-Hill,Inc,, 2010. Printed Book.

Gaya MLA

1). Ferret, Sharon.K. Peak performance. Succes in college and beyond. texbook Manajemen 2010. Seventh edition. NewYork :: McGraw-Hill,Inc,, 2010. Printed Book.

Gaya Turabian

1). Ferret, Sharon.K. Peak performance. Succes in college and beyond. texbook Manajemen 2010. Seventh edition. NewYork :: McGraw-Hill,Inc,, 2010. Printed Book.