International Young Naturefriends (IYNF). Variety of the Rainbow: Magazine of the International Young Naturefriends. Brussel: International Young Naturefriends.
芝加哥风格引文International Young Naturefriends (IYNF). Variety of the Rainbow: Magazine of the International Young Naturefriends. Brussel: International Young Naturefriends.
MLA引文International Young Naturefriends (IYNF). Variety of the Rainbow: Magazine of the International Young Naturefriends. Brussel: International Young Naturefriends.
警告：这些引文格式不一定是100％准确.