Cita APA (7th ed.)

Barker, R. (1971). Organic chemistry of biological compounds. Prentice-Hall.

Cita Chicago (17th ed.)

Barker, Robert. Organic Chemistry of Biological Compounds. Englewood cliffs, New york: Prentice-Hall, 1971.

Cita MLA (9th ed.)

Barker, Robert. Organic Chemistry of Biological Compounds. Prentice-Hall, 1971.