Gaya APA
Stephens, R, C., Ward, J, J. (1972).
Applied Mechanics (Student Internationa Edition).
London:
The Macmillan Press LTD.
Gaya MLA
Stephens, R., C.., Ward, J., J..
"Applied Mechanics ".
Student Internationa Edition
London:
The Macmillan Press LTD,
1972.
.