AWANGGA, S. N. (2007). Desain proposal penelitian. Pyramid Publisher.
芝加哥风格引文AWANGGA, Suryaputra N. Desain Proposal Penelitian. Pyramid Publisher, 2007.
MLA引文AWANGGA, Suryaputra N. Desain Proposal Penelitian. Pyramid Publisher, 2007.
警告：这些引文格式不一定是100％准确.