Gaya APA

Introduction to reference work. (1978). New York: McGrow Hill.

Gaya Chicago

Introduction to reference work. . New York: McGrow Hill, 1978. Buku.

Gaya MLA

Introduction to reference work. . New York: McGrow Hill, 1978. Buku.

Gaya Turabian

Introduction to reference work. New York: McGrow Hill, 1978. Buku.