Gaya APA
Race, J. (1981).
The Alien, numbereater and other Programs For personal Computer .
london and basingstoke:
The Macmillan Press LTD.
Gaya MLA
Race, John.
"The Alien, numbereater and other Programs For personal Computer".
london and basingstoke:
The Macmillan Press LTD,
1981.
.