APA
Knowles N. C., . (1990). A Review of benchmark problems for geometric nonlinear behaviour of 3D beams and shells. Glasgow: NAFEMS.
Chicago
Knowles N C, . 1990. A Review of benchmark problems for geometric nonlinear behaviour of 3D beams and shells. Glasgow: NAFEMS.
Harvard
Knowles N. C., . (1990). A Review of benchmark problems for geometric nonlinear behaviour of 3D beams and shells. Glasgow: NAFEMS.
MLA
Knowles N C, . A Review of benchmark problems for geometric nonlinear behaviour of 3D beams and shells. Glasgow: NAFEMS. 1990.