APA引文

Nenova, Y., Kalova, A., & Angelova, J. (1992). Continuing challenges to human rights and peace. PR Bulgaria : PIMAT.

芝加哥风格引文

Nenova, Yordanka, Anelia Kalova, 与 Julia Angelova. Continuing Challenges to Human Rights and Peace. Sofia: PR Bulgaria : PIMAT, 1992.

MLA引文

Nenova, Yordanka, et al. Continuing Challenges to Human Rights and Peace. PR Bulgaria : PIMAT, 1992.

警告：这些引文格式不一定是100％准确.