Gaya APA
Shore, T., A., D., M., C., J., M. (1985).
BASIC A GUIDE TO STRUCTURED PROGRAMMING .
USA:
Houghton Mifflin .
Gaya MLA
Shore, Thomas, A., Dwyer,, Margot, Critchfield,, J., Michael.
"BASIC A GUIDE TO STRUCTURED PROGRAMMING".
USA:
Houghton Mifflin ,
1985.
Buku Inti.