APA (7th ed.) Citation

Welikala, D. S. G. (1990). Home builders guide 2. [S.I.].

Chicago Style (17th ed.) Citation

Welikala, D. S. G. Home Builders Guide 2. [S.N.]: [S.I.], 1990.

MLA (9th ed.) Citation

Welikala, D. S. G. Home Builders Guide 2. [S.I.], 1990.