Lua APA (7ú heag.)

Paran, A. P. A Computer Program to Determine the Lateral Critical Speeds of Flexible Rotors. Philippine Engineering Journal.

Lua i Stíl Chicago (17ú heag.)

Paran, Alexander P. "A Computer Program to Determine the Lateral Critical Speeds of Flexible Rotors." Philippine Engineering Journal .

Lua MLA (9ú heag.)

Paran, Alexander P. "A Computer Program to Determine the Lateral Critical Speeds of Flexible Rotors." Philippine Engineering Journal, .

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