Cita APA (7a ed.)

Thornley, G. C. (1971). Scientific English Practice (1st ed., 9 repr.). Longman.

Cita Chicago Style (17a ed.)

Thornley, G. C. Scientific English Practice. 1st ed., 9 repr. London: Longman, 1971.

Cita MLA (9a ed.)

Thornley, G. C. Scientific English Practice. 1st ed., 9 repr. Longman, 1971.