APA-referens (7:e uppl.)

Yoingco, A. Q., & Sukarya, S. (1980). The first decade: A brief history of the Study Group on Asian Tax Administration and Research (SGATAR). [National Tax Research Center].

Chicago-referens (17:e uppl.)

Yoingco, Angel Q., och Sutadi Sukarya. The First Decade: A Brief History of the Study Group on Asian Tax Administration and Research (SGATAR). Manila: [National Tax Research Center], 1980.

MLA-referens (9:e uppl.)

Yoingco, Angel Q., och Sutadi Sukarya. The First Decade: A Brief History of the Study Group on Asian Tax Administration and Research (SGATAR). [National Tax Research Center], 1980.