Gaya APA
Beakley, G, C., Leach, H, W. (1979).
Careers in engineering and technology (2nd. ed).
New York:
Macmillan Pub. Co.
Gaya MLA
Beakley, George, C., Leach, H, W.
"Careers in engineering and technology".
2nd. ed
New York:
Macmillan Pub. Co,
1979.
Text.