Cita APA (7th ed.)

Screen, P. (1986). Warwick process science: Section one. Ashford Press.

Cita Chicago (17th ed.)

Screen, Peter. Warwick Process Science: Section One. Southampton: Ashford Press, 1986.

Cita MLA (9th ed.)

Screen, Peter. Warwick Process Science: Section One. Ashford Press, 1986.