APA-čujuhus (7. p.)

Lovelace, T. (1978). Physical science. Thomas Nelson and sons.

Chicago-čujuhus (17. p.)

Lovelace, Trevor. Physical Science. Nairobi: Thomas Nelson and sons, 1978.

MLA-čujuhus (9. p.)

Lovelace, Trevor. Physical Science. Thomas Nelson and sons, 1978.

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