Gaya APA
Spezzano, C. (2004).
50 Ways To Let Go and Be Happy: Agar Bahagia, Lepaskanlah (Cet. 2).
Jakarta:
Gramedia Pusaka Utama.
Gaya MLA
Spezzano, Chuck.
"50 Ways To Let Go and Be Happy: Agar Bahagia, Lepaskanlah".
Cet. 2
Jakarta:
Gramedia Pusaka Utama,
2004.
.