एपीए उद्धरण

Godfrey, L., & Jacob Philip. (1994). Ultrasonic study of the eleastic properties and phase transitions in selected mixed sulphate crystals. Cochin University of Science and Technology.

शिकागो स्टाइल उद्धरण

Godfrey, L., और Jacob Philip. Ultrasonic Study of the Eleastic Properties and Phase Transitions in Selected Mixed Sulphate Crystals. Cochin: Cochin University of Science and Technology, 1994.

एमएलए उद्धरण

Godfrey, L., और Jacob Philip. Ultrasonic Study of the Eleastic Properties and Phase Transitions in Selected Mixed Sulphate Crystals. Cochin University of Science and Technology, 1994.