APA citiranje

Burton, C. J. (1969). Variation studies of some phacopid trilobites of Eruasia and North West Africa.

Chicago Style (17th ed.) Citation

Burton, Christopher J. Variation Studies of Some Phacopid Trilobites of Eruasia and North West Africa. 1969.

MLA citiranje

Burton, Christopher J. Variation Studies of Some Phacopid Trilobites of Eruasia and North West Africa. 1969.

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