Gaya APA

Muhyidin, Muhammad, A. S. Sudjatna. (2010). Melawan pikiran negatif (the black or negative thingking) . Gorontalo: Diva Press.

Gaya Chicago

Muhyidin, Muhammad, A. S. Sudjatna. Melawan pikiran negatif (the black or negative thingking). Gorontalo: Diva Press, 2010. Text.

Gaya MLA

Muhyidin, Muhammad, A. S. Sudjatna. Melawan pikiran negatif (the black or negative thingking). Gorontalo: Diva Press, 2010. Text.

Gaya Turabian

Muhyidin, Muhammad, A. S. Sudjatna. Melawan pikiran negatif (the black or negative thingking). Gorontalo: Diva Press, 2010. Print.