Gaya APA

Ulwan,Abdullah Nashih. (1997). Kebebasan berpendapat / Abdullah Nashih Ulwan . Jakarta: Studia Press.

Gaya Chicago

Ulwan,Abdullah Nashih. Kebebasan berpendapat / Abdullah Nashih Ulwan. Jakarta: Studia Press, 1997. Text.

Gaya MLA

Ulwan,Abdullah Nashih. Kebebasan berpendapat / Abdullah Nashih Ulwan. Jakarta: Studia Press, 1997. Text.

Gaya Turabian

Ulwan,Abdullah Nashih. Kebebasan berpendapat / Abdullah Nashih Ulwan. Jakarta: Studia Press, 1997. Print.