Gaya APA

Baloun, L, K. et al (1997). Encyclopedia of Science 12 : Tools and Tomorrow (Jilid 12, Edisi Revisi, Cetakan 1). Bangkok: Macmillan Library Reference.

Gaya MLA

Baloun, Linda, K.. et al. "Encyclopedia of Science 12 : Tools and Tomorrow". Jilid 12, Edisi Revisi, Cetakan 1 Bangkok: Macmillan Library Reference, 1997. Text.