Παραπομπή σε μορφή APA (7η εκδ.)

Nicholson, K. (1997). Manganese mineralization: Geochemistry and mineralogy of terrestrial and marine deposits. Geological Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nicholson, Keith. Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. London: Geological Society, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nicholson, Keith. Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. Geological Society, 1997.