Fryer, P., & Pinheiro, P. M. (1961). Oldest ally: A portrait of Salazar's Portugal. D. Dobson.
芝加哥风格引文Fryer, Peter, 与 Patricia McGowan Pinheiro. Oldest Ally: A Portrait of Salazar's Portugal. London: D. Dobson, 1961.
MLA引文Fryer, Peter, 与 Patricia McGowan Pinheiro. Oldest Ally: A Portrait of Salazar's Portugal. D. Dobson, 1961.
警告：这些引文格式不一定是100％准确.