Cita APA (7th ed.)

STEWART, H. L., & PHILBIN, T. (1984). Pumps.-- Ed.2. G.K. Hall and Co.

Cita Chicago (17th ed.)

STEWART, Harry L., i Tom PHILBIN. Pumps.-- Ed.2. Boston: G.K. Hall and Co, 1984.

Cita MLA (9th ed.)

STEWART, Harry L., i Tom PHILBIN. Pumps.-- Ed.2. G.K. Hall and Co, 1984.