Cita APA (7th ed.)

Bowles, J. E. (1988). Foundation analysis and design (4th ed.). National Bookstore.

Cita Chicago (17th ed.)

Bowles, Joseph E. Foundation Analysis and Design. 4th ed. Manila: National Bookstore, 1988.

Cita MLA (9th ed.)

Bowles, Joseph E. Foundation Analysis and Design. 4th ed. National Bookstore, 1988.