You've got actual money (from your credit card, debit, wire transfer, certified check, or bank account) you want to buy Dogecoin with your country's currency, USD, Euro, Peso, etc... There various ways in which you can do this.
Currency to Doge websites like Doge for Dollars and Vault of Satoshi
Peer to Peer Exchanges where one person sends another money in exchange for Doge
Currency to digital currencies (BIT, LTC, ...etc) to Doge. A popular way to do this is for instance, buy Bitcoin through a site like Coinbase with your currency, transfer your Bitcoin to a website like Cryptsy (that exchanges Dogecoin) and trade your Bitcoin to Dogecoin with them.