Gaya APA
Janssens, D, E.
(1991).
Design - build explained / David E. Janssens
.
London:
Macmillan Education LTD..
Gaya MLA
Janssens, David, E..
"Design - build explained / David E. Janssens".
London:
Macmillan Education LTD.,
1991.
Textbook.