Remarks by President Obama and Prime Minister Alexis Tsipras of Greece in Joint Press Conference, Maximos Mansion, Athens, Greece, obamawhitehouse.archives.gov. November 15, 2016.
"Obama's on First Overseas Trip after Trump Elected; Obama to Greece: NATO is Absolutely Vital; Obama Travels to Greece Post- Election". "CNN Newsroom", www.cnn.com. November 15, 2016.
"Obama's on First Overseas Trip after Trump Elected; Obama to Greece: NATO is Absolutely Vital; Obama Travels to Greece Post- Election". "CNN Newsroom", www.cnn.com. November 15, 2016.