Sure. If you have access to the style sheets just add the code generated by google url directly.
This is the google generated url for the font "Dancing Script": http://fonts.googleapis.com/css?family=Dancing+Script Paste that in a browser address bar and you will be shown the code you need to place in CSS file.
See fiddle: http://jsfiddle.net/David_Knowles/XVMzf/3/
@font-face {
font-family: 'Dancing Script';
font-style: normal;
font-weight: 400;
src: local('Dancing Script'), local('DancingScript'), url(http://themes.googleusercontent.com/static/fonts/dancingscript/v3/DK0eTGXiZjN6yA8zAEyM2bDH3ri20rYH10B2w3wbVeU.woff) format('woff');
}
a {font-family: 'Dancing Script',serif,cursive;}