Cita APA (7a ed.)
Masson, J. The Great Covid-19 Financial Opportunity. Smashwords.
Cita estilo Chicago (17a ed.)
Masson, Jim. The Great Covid-19 Financial Opportunity. Monterey, EUA: Smashwords.
Cita MLA (9a ed.)
Masson, Jim. The Great Covid-19 Financial Opportunity. Smashwords.
Precaución: Estas citas no son 100% exactas.