Gaya APA

Ferguson, N. (2014). Great Degeneration, The: How Institutions Decay and Economies Die: Based on The BBC Radio 4 Reith Lectures 2012 . : Penguin Books.

Gaya MLA

Ferguson, Niall. "Great Degeneration, The: How Institutions Decay and Economies Die: Based on The BBC Radio 4 Reith Lectures 2012". : Penguin Books, 2014. Karya Cetak.