Gaya APA
Spence, William P.. (1991).
Drafting : technology and practice (3rd ed).
New York:
Glencoe/McGraw-Hil.
Gaya Chicago
Spence, William P..
Drafting : technology and practice.
3rd ed
New York:
Glencoe/McGraw-Hil,
1991.
Text.
Gaya MLA
Spence, William P..
Drafting : technology and practice.
3rd ed
New York:
Glencoe/McGraw-Hil,
1991.
Text.
Gaya Turabian
Spence, William P..
Drafting : technology and practice.
3rd ed
New York:
Glencoe/McGraw-Hil,
1991.
Print.