APA Style

Spezzano, Chuck. (2004). 50 WAYS To Let Go and Be Happy: Agar Bahagia, Lepaskanlah . Jakarta: Gramedia Pustaka Utama.

Chicago Style

Spezzano, Chuck. 50 WAYS To Let Go and Be Happy: Agar Bahagia, Lepaskanlah. Jakarta: Gramedia Pustaka Utama, 2004. Text.

MLA Style

Spezzano, Chuck. 50 WAYS To Let Go and Be Happy: Agar Bahagia, Lepaskanlah. Jakarta: Gramedia Pustaka Utama, 2004. Text.

Turabian Style

Spezzano, Chuck. 50 WAYS To Let Go and Be Happy: Agar Bahagia, Lepaskanlah. Jakarta: Gramedia Pustaka Utama, 2004. Print.