The right way to add Google Fonts to WordPress From http://premium.wpmudev.org/forums/topic/the-right-way-to-add-google-fonts-to-wordpress

wordpress-enque-google-fonts.php

/**
 * Additional Styles
 * @since 1.0.0
 */

function child_styles() {
    if ( !is_admin() ) {

        // register styles
        wp_register_style('googlefont-oswald', 'http://fonts.googleapis.com/css?family=Oswald:400,300,700', array(), false, 'all');

        // enqueue styles
        wp_enqueue_style('googlefont-oswald');
    }
}

add_action('wp_enqueue_scripts', 'child_styles');