Gaya APA
Wheelwright, S, C. et al (1996).
Strategic Management of Technology and Innovation (Second Edition).
CHINA:
Mc Graw-Hill Book Company.
Gaya MLA
Wheelwright, Steven, C.. et al.
"Strategic Management of Technology and Innovation".
Second Edition
CHINA:
Mc Graw-Hill Book Company,
1996.
Buku.