Gaya APA
Purdy, David C.. (1991).
A guide to writing successful engineering specifiucations / David C. Purdy .
:
New York: McGraw-Hill, Inc.
Gaya Chicago
Purdy, David C..
A guide to writing successful engineering specifiucations / David C. Purdy.
:
New York: McGraw-Hill, Inc,
1991.
Buku.
Gaya MLA
Purdy, David C..
A guide to writing successful engineering specifiucations / David C. Purdy.
:
New York: McGraw-Hill, Inc,
1991.
Buku.
Gaya Turabian
Purdy, David C..
A guide to writing successful engineering specifiucations / David C. Purdy.
:
New York: McGraw-Hill, Inc,
1991.
Buku.