2000, Nadine Kettaneh, ‎Jonathan Wallace, Doing Business in Azerbaijan, page 287:One manat equals 100 gapiks. Notes are issued in denominations of 50, 100, 250, 500, 1,000, 10,000 and 50,000 manats.
2009, Transcaucasian Banknotes , page 172:During stage one, which began on January 1 and is still underway, the bank has circulated 1 and 5 Manat notes and all the Gapik coins.
2014 November 3, Caucasian Business Week, issue 74, page 10:... to release a gold set of new gapiks ...