APA

layal j. . s., . (200405). Civil Engineering Drawing. new delhi: satya prakashan.

Chicago

layal j s, . 200405. Civil Engineering Drawing. new delhi: satya prakashan.

Harvard

layal j. . s., . (200405). Civil Engineering Drawing. new delhi: satya prakashan.

MLA

layal j s, . Civil Engineering Drawing. new delhi: satya prakashan. 200405.