Παραπομπή APA

Holder, D. W., & North, R. J. (1963). Schlieren methods. London: Her Majesty's Stationery Office.

Παραπομπή Chicago Style

Holder, D. W., and R. J. North. Schlieren Methods. London: Her Majesty's Stationery Office, 1963.

Παραπομπή MLA

Holder, D. W., and R. J. North. Schlieren Methods. London: Her Majesty's Stationery Office, 1963.

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