Cita APA (7a ed.)

Royds-Irmak, D. E. (1980). Beginning Scientific English. Nelson.

Cita Chicago Style (17a ed.)

Royds-Irmak, D. E. Beginning Scientific English. Gran Bretaña: Nelson, 1980.

Cita MLA (9a ed.)

Royds-Irmak, D. E. Beginning Scientific English. Nelson, 1980.