Gaya APA
Harris, T, A.
(1973).
I'am Ok - you're OK. Cet.pertama 1967 berjudul The Book of Choice.
.
London:
Pan books.
Gaya MLA
Harris, Thomas, A..
"I'am Ok - you're OK. Cet.pertama 1967 berjudul The Book of Choice. ".
London:
Pan books,
1973.
Buku.