SAMUELSON, P. A. (1967). Economics: Pengantar uraian II. Vivia Study Club.
芝加哥风格引文SAMUELSON, Paul A. Economics: Pengantar Uraian II. Jakarta: Vivia Study Club, 1967.
MLA引文SAMUELSON, Paul A. Economics: Pengantar Uraian II. Vivia Study Club, 1967.
警告：这些引文格式不一定是100％准确.