Penggayaan APA

COSCHI, G.. (1987). Watfor-77 : (4th ed. --). Ontario: WATCOM.

Chicago Style

COSCHI, G.. Watfor-77 :. 4th ed. -- Ontario: WATCOM, 1987. Buku.

MLA Style

COSCHI, G.. Watfor-77 :. 4th ed. -- Ontario: WATCOM, 1987. Buku.

Turabian Style

COSCHI, G.. Watfor-77 :. 4th ed. -- Ontario: WATCOM, 1987. Buku.