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Laer, P. Henry van, Koren, Henry J.. (1956). Philosophy Of Science, Part One: Science In General . Pittsburgh: Duquesne University Press.

Gaya Chicago

Laer, P. Henry van, Koren, Henry J.. Philosophy Of Science, Part One: Science In General. Pittsburgh: Duquesne University Press, 1956. Text.

Gaya MLA

Laer, P. Henry van, Koren, Henry J.. Philosophy Of Science, Part One: Science In General. Pittsburgh: Duquesne University Press, 1956. Text.

Gaya Turabian

Laer, P. Henry van, Koren, Henry J.. Philosophy Of Science, Part One: Science In General. Pittsburgh: Duquesne University Press, 1956. Print.