Fryer, D. H. (1925). Vocational self-guidance: Planning your life work. J.B. Lippincott.
芝加哥风格引文Fryer, Douglas H. Vocational Self-guidance: Planning Your Life Work. Philadelphia [Pennsylvania]: J.B. Lippincott, 1925.
MLA引文Fryer, Douglas H. Vocational Self-guidance: Planning Your Life Work. J.B. Lippincott, 1925.
警告：这些引文格式不一定是100％准确.