APA

Ch'ng S., Bartlett B. & Roberts J. (1979). 90 dB(A) and its effect on the performance of a psychomotor task. : Accoustics Letters.

Chicago

Ch'ng SS, Bartlett B and Roberts J. 1979. 90 dB(A) and its effect on the performance of a psychomotor task. : Accoustics Letters.

Harvard

Ch'ng S., Bartlett B. and Roberts J. (1979). 90 dB(A) and its effect on the performance of a psychomotor task. : Accoustics Letters.

MLA

Ch'ng SS, Bartlett B and Roberts J. 90 dB(A) and its effect on the performance of a psychomotor task. : Accoustics Letters. 1979.