function renderCopyrightLicenseField( $args ) {
		unset( $args['label_for'], $args['class'] );
		$this->renderRadioButtons(
			[
				'id' => 'copyright_license',
				'name' => 'pressbooks_theme_options_' . $this->getSlug(),
				'option' => 'copyright_license',
				'value' => getset( $this->options, 'copyright_license', 0 ),
				'choices' => $args,
			]
		);
	}