Gaya APA

Balkwill, R., Shipton, A. (1983). Strings: Insttruments in use today (Pertama). London: Macmillan Education.

Gaya MLA

Balkwill, Richard., Shipton, Alyn. "Strings: Insttruments in use today". Pertama London: Macmillan Education, 1983. Text.