APA (7e ed.) Bronvermelding

SPENCER , D. .. (1977). GAME PLAYING WITH BASIC. HYDEN BOOK CO.

Chicago (17e ed.) Bronvermelding

SPENCER , D .D. GAME PLAYING WITH BASIC. N.Y: HYDEN BOOK CO, 1977.

MLA (9e ed.) Bronvermelding

SPENCER , D .D. GAME PLAYING WITH BASIC. HYDEN BOOK CO, 1977.