एपीए उद्धरण

Piris, J., & Whitehead, R. (1975). Quantitation of G-cells in fibreoptic biopsy specimens and serum gastrin levels in healthy normal subjects.

शिकागो स्टाइल उद्धरण

Piris, J., और R. Whitehead. Quantitation of G-cells in Fibreoptic Biopsy Specimens and Serum Gastrin Levels in Healthy Normal Subjects. 1975.

एमएलए उद्धरण

Piris, J., और R. Whitehead. Quantitation of G-cells in Fibreoptic Biopsy Specimens and Serum Gastrin Levels in Healthy Normal Subjects. 1975.