Cita APA (7th ed.)

Metcalfe, E. (1987). Analytical Chemistry by Open Learning: Introduction to Analytical Chemistry. John Wiley & Sons.

Cita Chicago (17th ed.)

Metcalfe, E. Analytical Chemistry by Open Learning: Introduction to Analytical Chemistry. Chichester: John Wiley & Sons, 1987.

Cita MLA (9th ed.)

Metcalfe, E. Analytical Chemistry by Open Learning: Introduction to Analytical Chemistry. John Wiley & Sons, 1987.