Gaya APA
Gladstone, John, Humphreys, Kenneth K.. (1995).
Mechanical estimating guide book (6th ed).
New York:
McGraw-Hill.
Gaya Chicago
Gladstone, John, Humphreys, Kenneth K..
Mechanical estimating guide book.
6th ed
New York:
McGraw-Hill,
1995.
Text.
Gaya MLA
Gladstone, John, Humphreys, Kenneth K..
Mechanical estimating guide book.
6th ed
New York:
McGraw-Hill,
1995.
Text.
Gaya Turabian
Gladstone, John, Humphreys, Kenneth K..
Mechanical estimating guide book.
6th ed
New York:
McGraw-Hill,
1995.
Print.