(1998). Pamumuno at pagnenegosyo: Unang kurso (Pangalawang ed.). Education for Life Foundation.
芝加哥风格引文Pamumuno at Pagnenegosyo: Unang Kurso. Pangalawang ed. Quezon City: Education for Life Foundation, 1998.
MLA引文Pamumuno at Pagnenegosyo: Unang Kurso. Pangalawang ed. Education for Life Foundation, 1998.
警告：这些引文格式不一定是100％准确.