APA ציטוט

Pennsylvania Dept of Public Instruction. (1963). Science in action. Dept. of Public Instruction.

Chicago Style (17th ed.) Citation

Pennsylvania Dept of Public Instruction. Science in Action. Harrisburg, Pa: Dept. of Public Instruction, 1963.

ציטוט MLA

Pennsylvania Dept of Public Instruction. Science in Action. Dept. of Public Instruction, 1963.