Gaya APA

Questionaire design and attitude measurement. (1966). London: Heinemann Educational Books.

Gaya Chicago

Questionaire design and attitude measurement. . London: Heinemann Educational Books, 1966. Buku.

Gaya MLA

Questionaire design and attitude measurement. . London: Heinemann Educational Books, 1966. Buku.

Gaya Turabian

Questionaire design and attitude measurement. London: Heinemann Educational Books, 1966. Buku.